21051436

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12743}}^1$

素因数の和:12813

約数の個数: 24

約数和(自身を含む): 42819840

約数和(自身を除く): 21768404

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12743, 25486, 50972, 89201, 178402, 356804, 751837, 1503674, 3007348, 5262859, 10525718, 21051436]

約数ペア:

[(1, 21051436), (2, 10525718), (4, 5262859), (7, 3007348), (14, 1503674), (28, 751837), (59, 356804), (118, 178402), (236, 89201), (413, 50972), (826, 25486), (1652, 12743)]