21178049288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240659651}}^1$

素因数の和:240659668

約数の個数: 16

約数和(自身を含む): 43318737360

約数和(自身を除く): 22140688072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240659651, 481319302, 962638604, 1925277208, 2647256161, 5294512322, 10589024644, 21178049288]

約数ペア:

[(1, 21178049288), (2, 10589024644), (4, 5294512322), (8, 2647256161), (11, 1925277208), (22, 962638604), (44, 481319302), (88, 240659651)]