21038540906

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{3251}}^1\times {\mathrm{61051}}^1$

素因数の和:64357

約数の個数: 16

約数和(自身を含む): 32163658848

約数和(自身を除く): 11125117942

約数列:

[1, 2, 53, 106, 3251, 6502, 61051, 122102, 172303, 344606, 3235703, 6471406, 198476801, 396953602, 10519270453, 21038540906]

約数ペア:

[(1, 21038540906), (2, 10519270453), (53, 396953602), (106, 198476801), (3251, 6471406), (6502, 3235703), (61051, 344606), (122102, 172303)]