21515087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 24952320

約数和(自身を除く): 3437233

約数列:

[1, 11, 19, 113, 209, 911, 1243, 2147, 10021, 17309, 23617, 102943, 190399, 1132373, 1955917, 21515087]

約数ペア:

[(1, 21515087), (11, 1955917), (19, 1132373), (113, 190399), (209, 102943), (911, 23617), (1243, 17309), (2147, 10021)]