21163064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3449}}^1$

素因数の和:3527

約数の個数: 32

約数和(自身を含む): 43470000

約数和(自身を除く): 22306936

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3449, 6136, 6898, 13796, 27592, 44837, 89674, 179348, 203491, 358696, 406982, 813964, 1627928, 2645383, 5290766, 10581532, 21163064]

約数ペア:

[(1, 21163064), (2, 10581532), (4, 5290766), (8, 2645383), (13, 1627928), (26, 813964), (52, 406982), (59, 358696), (104, 203491), (118, 179348), (236, 89674), (472, 44837), (767, 27592), (1534, 13796), (3068, 6898), (3449, 6136)]