21171032

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25693}}^1$

素因数の和:25802

約数の個数: 16

約数和(自身を含む): 40082640

約数和(自身を除く): 18911608

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25693, 51386, 102772, 205544, 2646379, 5292758, 10585516, 21171032]

約数ペア:

[(1, 21171032), (2, 10585516), (4, 5292758), (8, 2646379), (103, 205544), (206, 102772), (412, 51386), (824, 25693)]