21445260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{357421}}^1$

素因数の和:357433

約数の個数: 24

約数和(自身を含む): 60046896

約数和(自身を除く): 38601636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 357421, 714842, 1072263, 1429684, 1787105, 2144526, 3574210, 4289052, 5361315, 7148420, 10722630, 21445260]

約数ペア:

[(1, 21445260), (2, 10722630), (3, 7148420), (4, 5361315), (5, 4289052), (6, 3574210), (10, 2144526), (12, 1787105), (15, 1429684), (20, 1072263), (30, 714842), (60, 357421)]