9904210

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1901}}^1$

素因数の和:2429

約数の個数: 16

約数和(自身を含む): 17871192

約数和(自身を除く): 7966982

約数列:

[1, 2, 5, 10, 521, 1042, 1901, 2605, 3802, 5210, 9505, 19010, 990421, 1980842, 4952105, 9904210]

約数ペア:

[(1, 9904210), (2, 4952105), (5, 1980842), (10, 990421), (521, 19010), (1042, 9505), (1901, 5210), (2605, 3802)]