21856446

素因数分解:

$2^1\times 3^3\times {\mathrm{127}}^1\times {\mathrm{3187}}^1$

素因数の和:3325

約数の個数: 32

約数和(自身を含む): 48967680

約数和(自身を除く): 27111234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 127, 254, 381, 762, 1143, 2286, 3187, 3429, 6374, 6858, 9561, 19122, 28683, 57366, 86049, 172098, 404749, 809498, 1214247, 2428494, 3642741, 7285482, 10928223, 21856446]

約数ペア:

[(1, 21856446), (2, 10928223), (3, 7285482), (6, 3642741), (9, 2428494), (18, 1214247), (27, 809498), (54, 404749), (127, 172098), (254, 86049), (381, 57366), (762, 28683), (1143, 19122), (2286, 9561), (3187, 6858), (3429, 6374)]