20212507

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5857}}^1$

素因数の和:5910

約数の個数: 16

約数和(自身を含む): 25306560

約数和(自身を除く): 5094053

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 5857, 40999, 99569, 169853, 696983, 1188971, 2887501, 20212507]

約数ペア:

[(1, 20212507), (7, 2887501), (17, 1188971), (29, 696983), (119, 169853), (203, 99569), (493, 40999), (3451, 5857)]