21132088

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155383}}^1$

素因数の和:155406

約数の個数: 16

約数和(自身を含む): 41953680

約数和(自身を除く): 20821592

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155383, 310766, 621532, 1243064, 2641511, 5283022, 10566044, 21132088]

約数ペア:

[(1, 21132088), (2, 10566044), (4, 5283022), (8, 2641511), (17, 1243064), (34, 621532), (68, 310766), (136, 155383)]