21079617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13183}}^1$

素因数の和:13240

約数の個数: 16

約数和(自身を含む): 31008768

約数和(自身を除く): 9929151

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13183, 39549, 171379, 514137, 540503, 1621509, 7026539, 21079617]

約数ペア:

[(1, 21079617), (3, 7026539), (13, 1621509), (39, 540503), (41, 514137), (123, 171379), (533, 39549), (1599, 13183)]