21462007

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{103}}^2$

素因数の和:247

約数の個数: 18

約数和(自身を含む): 26311128

約数和(自身を除く): 4849121

約数列:

[1, 7, 17, 103, 119, 289, 721, 1751, 2023, 10609, 12257, 29767, 74263, 180353, 208369, 1262471, 3066001, 21462007]

約数ペア:

[(1, 21462007), (7, 3066001), (17, 1262471), (103, 208369), (119, 180353), (289, 74263), (721, 29767), (1751, 12257), (2023, 10609)]