21118912

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{4177}}^1$

素因数の和:4268

約数の個数: 28

約数和(自身を含む): 42448480

約数和(自身を除く): 21329568

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 4177, 5056, 8354, 16708, 33416, 66832, 133664, 267328, 329983, 659966, 1319932, 2639864, 5279728, 10559456, 21118912]

約数ペア:

[(1, 21118912), (2, 10559456), (4, 5279728), (8, 2639864), (16, 1319932), (32, 659966), (64, 329983), (79, 267328), (158, 133664), (316, 66832), (632, 33416), (1264, 16708), (2528, 8354), (4177, 5056)]