21885828

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{13121}}^1$

素因数の和:13267

約数の個数: 24

約数和(自身を含む): 51438240

約数和(自身を除く): 29552412

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 13121, 26242, 39363, 52484, 78726, 157452, 1823819, 3647638, 5471457, 7295276, 10942914, 21885828]

約数ペア:

[(1, 21885828), (2, 10942914), (3, 7295276), (4, 5471457), (6, 3647638), (12, 1823819), (139, 157452), (278, 78726), (417, 52484), (556, 39363), (834, 26242), (1668, 13121)]