21644802

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 48615840

約数和(自身を除く): 26971038

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 139, 211, 246, 278, 369, 417, 422, 633, 738, 834, 1251, 1266, 1899, 2502, 3798, 5699, 8651, 11398, 17097, 17302, 25953, 29329, 34194, 51291, 51906, 58658, 77859, 87987, 102582, 155718, 175974, 263961, 527922, 1202489, 2404978, 3607467, 7214934, 10822401, 21644802]

約数ペア:

[(1, 21644802), (2, 10822401), (3, 7214934), (6, 3607467), (9, 2404978), (18, 1202489), (41, 527922), (82, 263961), (123, 175974), (139, 155718), (211, 102582), (246, 87987), (278, 77859), (369, 58658), (417, 51906), (422, 51291), (633, 34194), (738, 29329), (834, 25953), (1251, 17302), (1266, 17097), (1899, 11398), (2502, 8651), (3798, 5699)]