42321721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10079}}^1$

素因数の和:10128

約数の個数: 16

約数和(自身を含む): 50803200

約数和(自身を除く): 8481479

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 10079, 131027, 171343, 191501, 2227459, 2489513, 3255517, 42321721]

約数ペア:

[(1, 42321721), (13, 3255517), (17, 2489513), (19, 2227459), (221, 191501), (247, 171343), (323, 131027), (4199, 10079)]