21345824

素因数分解:

$2^5\times {\mathrm{647}}^1\times {\mathrm{1031}}^1$

素因数の和:1688

約数の個数: 24

約数和(自身を含む): 42130368

約数和(自身を除く): 20784544

約数列:

[1, 2, 4, 8, 16, 32, 647, 1031, 1294, 2062, 2588, 4124, 5176, 8248, 10352, 16496, 20704, 32992, 667057, 1334114, 2668228, 5336456, 10672912, 21345824]

約数ペア:

[(1, 21345824), (2, 10672912), (4, 5336456), (8, 2668228), (16, 1334114), (32, 667057), (647, 32992), (1031, 20704), (1294, 16496), (2062, 10352), (2588, 8248), (4124, 5176)]