21784675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 30279312

約数和(自身を除く): 8494637

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 2141, 10175, 10705, 23551, 53525, 79217, 117755, 396085, 588775, 871387, 1980425, 4356935, 21784675]

約数ペア:

[(1, 21784675), (5, 4356935), (11, 1980425), (25, 871387), (37, 588775), (55, 396085), (185, 117755), (275, 79217), (407, 53525), (925, 23551), (2035, 10705), (2141, 10175)]