21275062

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 32497920

約数和(自身を除く): 11222858

約数列:

[1, 2, 103, 139, 206, 278, 743, 1486, 14317, 28634, 76529, 103277, 153058, 206554, 10637531, 21275062]

約数ペア:

[(1, 21275062), (2, 10637531), (103, 206554), (139, 153058), (206, 103277), (278, 76529), (743, 28634), (1486, 14317)]