21,058,024

2³ × 13 × 202481

Prime Factor Structure

Factorization String 2^3 × 13 × 202481

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 42,521,220

Proper Divisor Sum 21,463,196

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #21058001 ← → #21058027

1 2 4 8 13 26 52 104 202,481 404,962 809,924 1,619,848 2,632,253 5,264,506 10,529,012 21,058,024

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

21,058,024 10,529,012 5,264,506 2,632,253 7,896,760 3,948,380 1,974,190 987,095 2,961,286 1,480,643 4,441,930 2,220,965 6,662,896 3,331,448 1,665,724 832,862 416,431 1,249,294 624,647 1,873,942 936,971 2,810,914 1,405,457 4,216,372 2,108,186 1,054,093 3,162,280 1,581,140 790,570 395,285 1,185,856 592,928 296,464 148,232 74,116 37,058 18,529 55,588 27,794 13,897 41,692 20,846 10,423 31,270 15,635 46,906 23,453 70,360 35,180 17,590 8,795 26,386 13,193 39,580 19,790 9,895 29,686 14,843 44,530 22,265

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