21492233

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{25801}}^1$

素因数の和:25832

約数の個数: 12

約数和(自身を含む): 26472852

約数和(自身を除く): 4980619

約数列:

[1, 7, 17, 49, 119, 833, 25801, 180607, 438617, 1264249, 3070319, 21492233]

約数ペア:

[(1, 21492233), (7, 3070319), (17, 1264249), (49, 438617), (119, 180607), (833, 25801)]