21488566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7027}}^1$

素因数の和:7179

約数の個数: 16

約数和(自身を含む): 35421120

約数和(自身を除く): 13932554

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 7027, 14054, 77297, 154594, 976753, 1953506, 10744283, 21488566]

約数ペア:

[(1, 21488566), (2, 10744283), (11, 1953506), (22, 976753), (139, 154594), (278, 77297), (1529, 14054), (3058, 7027)]