21802740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363379}}^1$

素因数の和:363391

約数の個数: 24

約数和(自身を含む): 61047840

約数和(自身を除く): 39245100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363379, 726758, 1090137, 1453516, 1816895, 2180274, 3633790, 4360548, 5450685, 7267580, 10901370, 21802740]

約数ペア:

[(1, 21802740), (2, 10901370), (3, 7267580), (4, 5450685), (5, 4360548), (6, 3633790), (10, 2180274), (12, 1816895), (15, 1453516), (20, 1090137), (30, 726758), (60, 363379)]