21038017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21017}}^1$

素因数の和:21048

約数の個数: 16

約数和(自身を含む): 28248192

約数和(自身を除く): 7210175

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21017, 147119, 231187, 273221, 1618309, 1912547, 3005431, 21038017]

約数ペア:

[(1, 21038017), (7, 3005431), (11, 1912547), (13, 1618309), (77, 273221), (91, 231187), (143, 147119), (1001, 21017)]