21082842

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11831}}^1$

素因数の和:11856

約数の個数: 40

約数和(自身を含む): 51540192

約数和(自身を除く): 30457350

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11831, 23662, 35493, 70986, 106479, 130141, 212958, 260282, 319437, 390423, 638874, 780846, 958311, 1171269, 1916622, 2342538, 3513807, 7027614, 10541421, 21082842]

約数ペア:

[(1, 21082842), (2, 10541421), (3, 7027614), (6, 3513807), (9, 2342538), (11, 1916622), (18, 1171269), (22, 958311), (27, 780846), (33, 638874), (54, 390423), (66, 319437), (81, 260282), (99, 212958), (162, 130141), (198, 106479), (297, 70986), (594, 35493), (891, 23662), (1782, 11831)]