21670311

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9109}}^1$

素因数の和:9186

約数の個数: 16

約数和(自身を含む): 31629920

約数和(自身を除く): 9959609

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 9109, 27327, 118417, 355251, 555649, 1666947, 7223437, 21670311]

約数ペア:

[(1, 21670311), (3, 7223437), (13, 1666947), (39, 555649), (61, 355251), (183, 118417), (793, 27327), (2379, 9109)]