21877042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{90401}}^1$

素因数の和:90425

約数の個数: 12

約数和(自身を含む): 36070398

約数和(自身を除く): 14193356

約数列:

[1, 2, 11, 22, 121, 242, 90401, 180802, 994411, 1988822, 10938521, 21877042]

約数ペア:

[(1, 21877042), (2, 10938521), (11, 1988822), (22, 994411), (121, 180802), (242, 90401)]