2181906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2819}}^1$

素因数の和:2870

約数の個数: 24

約数和(自身を含む): 4839120

約数和(自身を除く): 2657214

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 2819, 5638, 8457, 16914, 25371, 50742, 121217, 242434, 363651, 727302, 1090953, 2181906]

約数ペア:

[(1, 2181906), (2, 1090953), (3, 727302), (6, 363651), (9, 242434), (18, 121217), (43, 50742), (86, 25371), (129, 16914), (258, 8457), (387, 5638), (774, 2819)]