21,474,072

2³ × 3⁴ × 31 × 1069

Prime Factor Structure

Factorization String 2^3 × 3^4 × 31 × 1069

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 62,145,600

Proper Divisor Sum 40,671,528

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #21474067 ← → #21474073

1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 81 93 108 124 162 186 216 248 279 324 372 558 648 744 837 1,069 1,116 1,674 2,138 2,232 2,511 3,207 3,348 4,276 5,022 6,414 6,696 8,552 9,621 10,044 12,828 19,242 20,088 25,656 28,863 33,139 38,484 57,726 66,278 76,968 86,589 99,417 115,452 132,556

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

21,474,072 10,737,036 5,368,518 2,684,259 8,052,778 4,026,389 12,079,168 6,039,584 3,019,792 1,509,896 754,948 377,474 188,737 566,212 283,106 141,553 424,660 212,330 106,165 318,496 159,248 79,624 39,812 19,906 9,953 29,860 14,930 7,465 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941 53,824 26,912 13,456 6,728 3,364 1,682 841 2,524 1,262 631

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