21735452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{319639}}^1$

素因数の和:319660

約数の個数: 12

約数和(自身を含む): 40274640

約数和(自身を除く): 18539188

約数列:

[1, 2, 4, 17, 34, 68, 319639, 639278, 1278556, 5433863, 10867726, 21735452]

約数ペア:

[(1, 21735452), (2, 10867726), (4, 5433863), (17, 1278556), (34, 639278), (68, 319639)]