210830221

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{1031}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 244113408

約数和(自身を除く): 33283187

約数列:

[1, 7, 131, 223, 917, 1031, 1561, 7217, 29213, 135061, 204491, 229913, 945427, 1609391, 30118603, 210830221]

約数ペア:

[(1, 210830221), (7, 30118603), (131, 1609391), (223, 945427), (917, 229913), (1031, 204491), (1561, 135061), (7217, 29213)]