21890418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{11437}}^1$

素因数の和:11482

約数の個数: 32

約数和(自身を含む): 49412160

約数和(自身を除く): 27521742

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 319, 638, 957, 1914, 11437, 22874, 34311, 68622, 125807, 251614, 331673, 377421, 663346, 754842, 995019, 1990038, 3648403, 7296806, 10945209, 21890418]

約数ペア:

[(1, 21890418), (2, 10945209), (3, 7296806), (6, 3648403), (11, 1990038), (22, 995019), (29, 754842), (33, 663346), (58, 377421), (66, 331673), (87, 251614), (174, 125807), (319, 68622), (638, 34311), (957, 22874), (1914, 11437)]