21781617

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50773}}^1$

素因数の和:50800

約数の個数: 16

約数和(自身を含む): 34120128

約数和(自身を除く): 12338511

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50773, 152319, 558503, 660049, 1675509, 1980147, 7260539, 21781617]

約数ペア:

[(1, 21781617), (3, 7260539), (11, 1980147), (13, 1675509), (33, 660049), (39, 558503), (143, 152319), (429, 50773)]