21,550,132

2² × 29 × 37 × 5021

21,550,132 factors as 2^2 × 29 × 37 × 5021. Its 24 positive divisors give a proper-divisor sum of 18,525,428, so this integer is deficient. The Collatz stopping time is 190 steps.

Prime Factor Structure

Factorization String 2^2 × 29 × 37 × 5021

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 40,075,560

Proper Divisor Sum 18,525,428

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #21550129 ← → #21550147

Radix Representation

Decimal	21550132
Binary	1010010001101010000110100 (25 bits)
Octal	0o122152064
Hexadecimal	0x148D434

Divisor Catalog (24)

Collatz Trajectory (190 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

21,550,132 10,775,066 5,387,533 16,162,600 8,081,300 4,040,650 2,020,325 6,060,976 3,030,488 1,515,244 757,622 378,811 1,136,434 568,217 1,704,652 852,326 426,163 1,278,490 639,245 1,917,736 958,868 479,434 239,717 719,152 359,576 179,788 89,894 44,947 134,842 67,421 202,264 101,132 50,566 25,283 75,850 37,925 113,776 56,888 28,444 14,222 7,111 21,334 10,667 32,002 16,001 48,004 24,002 12,001 36,004 18,002 9,001 27,004 13,502 6,751 20,254 10,127 30,382 15,191 45,574 22,787

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