2021099525

素因数分解:

$5^2\times {\mathrm{281}}^1\times {\mathrm{287701}}^1$

素因数の和:287992

約数の個数: 12

約数和(自身を含む): 2515090884

約数和(自身を除く): 493991359

約数列:

[1, 5, 25, 281, 1405, 7025, 287701, 1438505, 7192525, 80843981, 404219905, 2021099525]

約数ペア:

[(1, 2021099525), (5, 404219905), (25, 80843981), (281, 7192525), (1405, 1438505), (7025, 287701)]