21115842

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{319937}}^1$

素因数の和:319953

約数の個数: 16

約数和(自身を含む): 46071072

約数和(自身を除く): 24955230

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 319937, 639874, 959811, 1919622, 3519307, 7038614, 10557921, 21115842]

約数ペア:

[(1, 21115842), (2, 10557921), (3, 7038614), (6, 3519307), (11, 1919622), (22, 959811), (33, 639874), (66, 319937)]