21525208

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50767}}^1$

素因数の和:50826

約数の個数: 16

約数和(自身を含む): 41122080

約数和(自身を除く): 19596872

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50767, 101534, 203068, 406136, 2690651, 5381302, 10762604, 21525208]

約数ペア:

[(1, 21525208), (2, 10762604), (4, 5381302), (8, 2690651), (53, 406136), (106, 203068), (212, 101534), (424, 50767)]