21062573

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 24600576

約数和(自身を除く): 3538003

約数列:

[1, 7, 103, 131, 223, 721, 917, 1561, 13493, 22969, 29213, 94451, 160783, 204491, 3008939, 21062573]

約数ペア:

[(1, 21062573), (7, 3008939), (103, 204491), (131, 160783), (223, 94451), (721, 29213), (917, 22969), (1561, 13493)]