21802568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{160313}}^1$

素因数の和:160336

約数の個数: 16

約数和(自身を含む): 43284780

約数和(自身を除く): 21482212

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 160313, 320626, 641252, 1282504, 2725321, 5450642, 10901284, 21802568]

約数ペア:

[(1, 21802568), (2, 10901284), (4, 5450642), (8, 2725321), (17, 1282504), (34, 641252), (68, 320626), (136, 160313)]