2021100775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{4254949}}^1$

素因数の和:4254978

約数の個数: 12

約数和(自身を含む): 2638069000

約数和(自身を除く): 616968225

約数列:

[1, 5, 19, 25, 95, 475, 4254949, 21274745, 80844031, 106373725, 404220155, 2021100775]

約数ペア:

[(1, 2021100775), (5, 404220155), (19, 106373725), (25, 80844031), (95, 21274745), (475, 4254949)]