21076360

素因数分解:

$2^3\times 5^1\times {\mathrm{526909}}^1$

素因数の和:526920

約数の個数: 16

約数和(自身を含む): 47421900

約数和(自身を除く): 26345540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 526909, 1053818, 2107636, 2634545, 4215272, 5269090, 10538180, 21076360]

約数ペア:

[(1, 21076360), (2, 10538180), (4, 5269090), (5, 4215272), (8, 2634545), (10, 2107636), (20, 1053818), (40, 526909)]