21659284

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 39731328

約数和(自身を除く): 18072044

約数列:

[1, 2, 4, 23, 46, 92, 311, 622, 757, 1244, 1514, 3028, 7153, 14306, 17411, 28612, 34822, 69644, 235427, 470854, 941708, 5414821, 10829642, 21659284]

約数ペア:

[(1, 21659284), (2, 10829642), (4, 5414821), (23, 941708), (46, 470854), (92, 235427), (311, 69644), (622, 34822), (757, 28612), (1244, 17411), (1514, 14306), (3028, 7153)]