21852610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1698

約数の個数: 32

約数和(自身を含む): 42783552

約数和(自身を除く): 20930942

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 1571, 2782, 3142, 6955, 7855, 13910, 15710, 20423, 40846, 102115, 168097, 204230, 336194, 840485, 1680970, 2185261, 4370522, 10926305, 21852610]

約数ペア:

[(1, 21852610), (2, 10926305), (5, 4370522), (10, 2185261), (13, 1680970), (26, 840485), (65, 336194), (107, 204230), (130, 168097), (214, 102115), (535, 40846), (1070, 20423), (1391, 15710), (1571, 13910), (2782, 7855), (3142, 6955)]