21788085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132049}}^1$

素因数の和:132068

約数の個数: 16

約数和(自身を含む): 38030400

約数和(自身を除く): 16242315

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132049, 396147, 660245, 1452539, 1980735, 4357617, 7262695, 21788085]

約数ペア:

[(1, 21788085), (3, 7262695), (5, 4357617), (11, 1980735), (15, 1452539), (33, 660245), (55, 396147), (165, 132049)]