21612968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2927}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 44271360

約数和(自身を除く): 22658392

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2927, 3692, 5854, 7384, 11708, 23416, 38051, 76102, 152204, 207817, 304408, 415634, 831268, 1662536, 2701621, 5403242, 10806484, 21612968]

約数ペア:

[(1, 21612968), (2, 10806484), (4, 5403242), (8, 2701621), (13, 1662536), (26, 831268), (52, 415634), (71, 304408), (104, 207817), (142, 152204), (284, 76102), (568, 38051), (923, 23416), (1846, 11708), (2927, 7384), (3692, 5854)]