2021170055

素因数分解:

$5^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1\times {\mathrm{2551}}^1$

素因数の和:3518

約数の個数: 16

約数和(自身を含む): 2441100288

約数和(自身を除く): 419930233

約数列:

[1, 5, 211, 751, 1055, 2551, 3755, 12755, 158461, 538261, 792305, 1915801, 2691305, 9579005, 404234011, 2021170055]

約数ペア:

[(1, 2021170055), (5, 404234011), (211, 9579005), (751, 2691305), (1055, 1915801), (2551, 792305), (3755, 538261), (12755, 158461)]