21564807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5783}}^1$

素因数の和:5910

約数の個数: 16

約数和(自身を含む): 31650048

約数和(自身を除く): 10085241

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5783, 17349, 63613, 190839, 653479, 1960437, 7188269, 21564807]

約数ペア:

[(1, 21564807), (3, 7188269), (11, 1960437), (33, 653479), (113, 190839), (339, 63613), (1243, 17349), (3729, 5783)]