21001610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300023}}^1$

素因数の和:300037

約数の個数: 16

約数和(自身を含む): 43203456

約数和(自身を除く): 22201846

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300023, 600046, 1500115, 2100161, 3000230, 4200322, 10500805, 21001610]

約数ペア:

[(1, 21001610), (2, 10500805), (5, 4200322), (7, 3000230), (10, 2100161), (14, 1500115), (35, 600046), (70, 300023)]