2021140670

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2846677}}^1$

素因数の和:2846755

約数の個数: 16

約数和(自身を含む): 3689294688

約数和(自身を除く): 1668154018

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2846677, 5693354, 14233385, 28466770, 202114067, 404228134, 1010570335, 2021140670]

約数ペア:

[(1, 2021140670), (2, 1010570335), (5, 404228134), (10, 202114067), (71, 28466770), (142, 14233385), (355, 5693354), (710, 2846677)]