21412045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 26535600

約数和(自身を除く): 5123555

約数列:

[1, 5, 41, 149, 205, 701, 745, 3505, 6109, 28741, 30545, 104449, 143705, 522245, 4282409, 21412045]

約数ペア:

[(1, 21412045), (5, 4282409), (41, 522245), (149, 143705), (205, 104449), (701, 30545), (745, 28741), (3505, 6109)]