21039089

素因数分解:

${\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 1604623

約数列:

[1, 23, 83, 103, 107, 1909, 2369, 2461, 8549, 8881, 11021, 196627, 204263, 253483, 914743, 21039089]

約数ペア:

[(1, 21039089), (23, 914743), (83, 253483), (103, 204263), (107, 196627), (1909, 11021), (2369, 8881), (2461, 8549)]