21358208

素因数分解:

$2^7\times {\mathrm{166861}}^1$

素因数の和:166875

約数の個数: 16

約数和(自身を含む): 42549810

約数和(自身を除く): 21191602

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 166861, 333722, 667444, 1334888, 2669776, 5339552, 10679104, 21358208]

約数ペア:

[(1, 21358208), (2, 10679104), (4, 5339552), (8, 2669776), (16, 1334888), (32, 667444), (64, 333722), (128, 166861)]