21082295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19079}}^1$

素因数の和:19114

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 7766665

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19079, 95395, 248027, 324343, 1240135, 1621715, 4216459, 21082295]

約数ペア:

[(1, 21082295), (5, 4216459), (13, 1621715), (17, 1240135), (65, 324343), (85, 248027), (221, 95395), (1105, 19079)]