21701510

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4349}}^1$

素因数の和:4855

約数の個数: 16

約数和(自身を含む): 39150000

約数和(自身を除く): 17448490

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4349, 4990, 8698, 21745, 43490, 2170151, 4340302, 10850755, 21701510]

約数ペア:

[(1, 21701510), (2, 10850755), (5, 4340302), (10, 2170151), (499, 43490), (998, 21745), (2495, 8698), (4349, 4990)]