21061035

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1117}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 36625680

約数和(自身を除く): 15564645

約数列:

[1, 3, 5, 9, 15, 45, 419, 1117, 1257, 2095, 3351, 3771, 5585, 6285, 10053, 16755, 18855, 50265, 468023, 1404069, 2340115, 4212207, 7020345, 21061035]

約数ペア:

[(1, 21061035), (3, 7020345), (5, 4212207), (9, 2340115), (15, 1404069), (45, 468023), (419, 50265), (1117, 18855), (1257, 16755), (2095, 10053), (3351, 6285), (3771, 5585)]