21000425457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1\times {\mathrm{516959}}^1$

素因数の和:518204

約数の個数: 16

約数和(自身を含む): 30570946560

約数和(自身を除く): 9570521103

約数列:

[1, 3, 11, 33, 1231, 3693, 13541, 40623, 516959, 1550877, 5686549, 17059647, 636376529, 1909129587, 7000141819, 21000425457]

約数ペア:

[(1, 21000425457), (3, 7000141819), (11, 1909129587), (33, 636376529), (1231, 17059647), (3693, 5686549), (13541, 1550877), (40623, 516959)]