21689728

素因数分解:

$2^7\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 43452000

約数和(自身を除く): 21762272

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 478, 709, 956, 1418, 1912, 2836, 3824, 5672, 7648, 11344, 15296, 22688, 30592, 45376, 90752, 169451, 338902, 677804, 1355608, 2711216, 5422432, 10844864, 21689728]

約数ペア:

[(1, 21689728), (2, 10844864), (4, 5422432), (8, 2711216), (16, 1355608), (32, 677804), (64, 338902), (128, 169451), (239, 90752), (478, 45376), (709, 30592), (956, 22688), (1418, 15296), (1912, 11344), (2836, 7648), (3824, 5672)]