2021001025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{4254739}}^1$

素因数の和:4254768

約数の個数: 12

約数和(自身を含む): 2637938800

約数和(自身を除く): 616937775

約数列:

[1, 5, 19, 25, 95, 475, 4254739, 21273695, 80840041, 106368475, 404200205, 2021001025]

約数ペア:

[(1, 2021001025), (5, 404200205), (19, 106368475), (25, 80840041), (95, 21273695), (475, 4254739)]