21964216

素因数分解:

$2^3\times {\mathrm{367}}^1\times {\mathrm{7481}}^1$

素因数の和:7854

約数の個数: 16

約数和(自身を含む): 41300640

約数和(自身を除く): 19336424

約数列:

[1, 2, 4, 8, 367, 734, 1468, 2936, 7481, 14962, 29924, 59848, 2745527, 5491054, 10982108, 21964216]

約数ペア:

[(1, 21964216), (2, 10982108), (4, 5491054), (8, 2745527), (367, 59848), (734, 29924), (1468, 14962), (2936, 7481)]