21025001

素因数分解:

${\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:596

約数の個数: 12

約数和(自身を含む): 22402800

約数和(自身を除く): 1377799

約数列:

[1, 19, 139, 361, 419, 2641, 7961, 50179, 58241, 151259, 1106579, 21025001]

約数ペア:

[(1, 21025001), (19, 1106579), (139, 151259), (361, 58241), (419, 50179), (2641, 7961)]