21052927

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{757}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 25104960

約数和(自身を除く): 4052033

約数列:

[1, 7, 29, 137, 203, 757, 959, 3973, 5299, 21953, 27811, 103709, 153671, 725963, 3007561, 21052927]

約数ペア:

[(1, 21052927), (7, 3007561), (29, 725963), (137, 153671), (203, 103709), (757, 27811), (959, 21953), (3973, 5299)]