21052991

素因数分解:

${\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{4861}}^1$

素因数の和:4993

約数の個数: 8

約数和(自身を含む): 21703968

約数和(自身を除く): 650977

約数列:

[1, 61, 71, 4331, 4861, 296521, 345131, 21052991]

約数ペア:

[(1, 21052991), (61, 345131), (71, 296521), (4331, 4861)]