21718354

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{839}}^1$

素因数の和:934

約数の個数: 24

約数和(自身を含む): 38162880

約数和(自身を除く): 16444526

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 839, 1678, 1849, 3698, 5873, 11746, 12943, 25886, 36077, 72154, 252539, 505078, 1551311, 3102622, 10859177, 21718354]

約数ペア:

[(1, 21718354), (2, 10859177), (7, 3102622), (14, 1551311), (43, 505078), (86, 252539), (301, 72154), (602, 36077), (839, 25886), (1678, 12943), (1849, 11746), (3698, 5873)]