21166064

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{1217}}^1$

素因数の和:2312

約数の個数: 20

約数和(自身を含む): 41080704

約数和(自身を除く): 19914640

約数列:

[1, 2, 4, 8, 16, 1087, 1217, 2174, 2434, 4348, 4868, 8696, 9736, 17392, 19472, 1322879, 2645758, 5291516, 10583032, 21166064]

約数ペア:

[(1, 21166064), (2, 10583032), (4, 5291516), (8, 2645758), (16, 1322879), (1087, 19472), (1217, 17392), (2174, 9736), (2434, 8696), (4348, 4868)]