21027950

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6277}}^1$

素因数の和:6356

約数の個数: 24

約数和(自身を含む): 39702072

約数和(自身を除く): 18674122

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6277, 12554, 31385, 62770, 156925, 313850, 420559, 841118, 2102795, 4205590, 10513975, 21027950]

約数ペア:

[(1, 21027950), (2, 10513975), (5, 4205590), (10, 2102795), (25, 841118), (50, 420559), (67, 313850), (134, 156925), (335, 62770), (670, 31385), (1675, 12554), (3350, 6277)]