21817497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{757}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 31411520

約数和(自身を除く): 9594023

約数列:

[1, 3, 13, 39, 739, 757, 2217, 2271, 9607, 9841, 28821, 29523, 559423, 1678269, 7272499, 21817497]

約数ペア:

[(1, 21817497), (3, 7272499), (13, 1678269), (39, 559423), (739, 29523), (757, 28821), (2217, 9841), (2271, 9607)]