21140008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139079}}^1$

素因数の和:139104

約数の個数: 16

約数和(自身を含む): 41724000

約数和(自身を除く): 20583992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139079, 278158, 556316, 1112632, 2642501, 5285002, 10570004, 21140008]

約数ペア:

[(1, 21140008), (2, 10570004), (4, 5285002), (8, 2642501), (19, 1112632), (38, 556316), (76, 278158), (152, 139079)]