21401086

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66463}}^1$

素因数の和:66495

約数の個数: 16

約数和(自身を含む): 38283264

約数和(自身を除く): 16882178

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66463, 132926, 465241, 930482, 1528649, 3057298, 10700543, 21401086]

約数ペア:

[(1, 21401086), (2, 10700543), (7, 3057298), (14, 1528649), (23, 930482), (46, 465241), (161, 132926), (322, 66463)]