21608169

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1367}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 9910551

約数列:

[1, 3, 11, 33, 479, 1367, 1437, 4101, 5269, 15037, 15807, 45111, 654793, 1964379, 7202723, 21608169]

約数ペア:

[(1, 21608169), (3, 7202723), (11, 1964379), (33, 654793), (479, 45111), (1367, 15807), (1437, 15037), (4101, 5269)]