21552828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2437}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 55703424

約数和(自身を除く): 34150596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 132, 134, 201, 268, 402, 737, 804, 1474, 2211, 2437, 2948, 4422, 4874, 7311, 8844, 9748, 14622, 26807, 29244, 53614, 80421, 107228, 160842, 163279, 321684, 326558, 489837, 653116, 979674, 1796069, 1959348, 3592138, 5388207, 7184276, 10776414, 21552828]

約数ペア:

[(1, 21552828), (2, 10776414), (3, 7184276), (4, 5388207), (6, 3592138), (11, 1959348), (12, 1796069), (22, 979674), (33, 653116), (44, 489837), (66, 326558), (67, 321684), (132, 163279), (134, 160842), (201, 107228), (268, 80421), (402, 53614), (737, 29244), (804, 26807), (1474, 14622), (2211, 9748), (2437, 8844), (2948, 7311), (4422, 4874)]