21705157659

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{2671}}^1\times {\mathrm{40429}}^1$

素因数の和:43170

約数の個数: 16

約数和(自身を含む): 29383877120

約数和(自身を除く): 7678719461

約数列:

[1, 3, 67, 201, 2671, 8013, 40429, 121287, 178957, 536871, 2708743, 8126229, 107985859, 323957577, 7235052553, 21705157659]

約数ペア:

[(1, 21705157659), (3, 7235052553), (67, 323957577), (201, 107985859), (2671, 8126229), (8013, 2708743), (40429, 536871), (121287, 178957)]