21115016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7001}}^1$

素因数の和:7049

約数の個数: 32

約数和(自身を含む): 44112600

約数和(自身を除く): 22997584

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 7001, 14002, 28004, 56008, 91013, 182026, 203029, 364052, 406058, 728104, 812116, 1624232, 2639377, 5278754, 10557508, 21115016]

約数ペア:

[(1, 21115016), (2, 10557508), (4, 5278754), (8, 2639377), (13, 1624232), (26, 812116), (29, 728104), (52, 406058), (58, 364052), (104, 203029), (116, 182026), (232, 91013), (377, 56008), (754, 28004), (1508, 14002), (3016, 7001)]