21000753334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{3121}}^1\times {\mathrm{305857}}^1$

素因数の和:308991

約数の個数: 16

約数和(自身を含む): 34375992336

約数和(自身を除く): 13375239002

約数列:

[1, 2, 11, 22, 3121, 6242, 34331, 68662, 305857, 611714, 3364427, 6728854, 954579697, 1909159394, 10500376667, 21000753334]

約数ペア:

[(1, 21000753334), (2, 10500376667), (11, 1909159394), (22, 954579697), (3121, 6728854), (6242, 3364427), (34331, 611714), (68662, 305857)]