21204204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252431}}^1$

素因数の和:252445

約数の個数: 24

約数和(自身を含む): 56544768

約数和(自身を除く): 35340564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252431, 504862, 757293, 1009724, 1514586, 1767017, 3029172, 3534034, 5301051, 7068068, 10602102, 21204204]

約数ペア:

[(1, 21204204), (2, 10602102), (3, 7068068), (4, 5301051), (6, 3534034), (7, 3029172), (12, 1767017), (14, 1514586), (21, 1009724), (28, 757293), (42, 504862), (84, 252431)]