21,264,072

2³ × 3 × 59 × 15017

Prime Factor Structure

Factorization String 2^3 × 3 × 59 × 15017

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 54,064,800

Proper Divisor Sum 32,800,728

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #21264071 ← → #21264073

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

21,264,072 10,632,036 5,316,018 2,658,009 7,974,028 3,987,014 1,993,507 5,980,522 2,990,261 8,970,784 4,485,392 2,242,696 1,121,348 560,674 280,337 841,012 420,506 210,253 630,760 315,380 157,690 78,845 236,536 118,268 59,134 29,567 88,702 44,351 133,054 66,527 199,582 99,791 299,374 149,687 449,062 224,531 673,594 336,797 1,010,392 505,196 252,598 126,299 378,898 189,449 568,348 284,174 142,087 426,262 213,131 639,394 319,697 959,092 479,546 239,773 719,320 359,660 179,830 89,915 269,746 134,873

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