21000824570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1367}}^1\times {\mathrm{139661}}^1$

素因数の和:141046

約数の個数: 32

約数和(自身を含む): 41268445056

約数和(自身を除く): 20267620486

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1367, 2734, 6835, 13670, 15037, 30074, 75185, 139661, 150370, 279322, 698305, 1396610, 1536271, 3072542, 7681355, 15362710, 190916587, 381833174, 954582935, 1909165870, 2100082457, 4200164914, 10500412285, 21000824570]

約数ペア:

[(1, 21000824570), (2, 10500412285), (5, 4200164914), (10, 2100082457), (11, 1909165870), (22, 954582935), (55, 381833174), (110, 190916587), (1367, 15362710), (2734, 7681355), (6835, 3072542), (13670, 1536271), (15037, 1396610), (30074, 698305), (75185, 279322), (139661, 150370)]