21599903

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 24685920

約数和(自身を除く): 3086017

約数列:

[1, 13, 19, 157, 247, 557, 2041, 2983, 7241, 10583, 38779, 87449, 137579, 1136837, 1661531, 21599903]

約数ペア:

[(1, 21599903), (13, 1661531), (19, 1136837), (157, 137579), (247, 87449), (557, 38779), (2041, 10583), (2983, 7241)]