21000663445

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1\times {\mathrm{60223}}^1$

素因数の和:61044

約数の個数: 16

約数和(自身を含む): 25496432640

約数和(自身を除く): 4495769195

約数列:

[1, 5, 97, 485, 719, 3595, 60223, 69743, 301115, 348715, 5841631, 29208155, 43300337, 216501685, 4200132689, 21000663445]

約数ペア:

[(1, 21000663445), (5, 4200132689), (97, 216501685), (485, 43300337), (719, 29208155), (3595, 5841631), (60223, 348715), (69743, 301115)]