21309684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7019}}^1$

素因数の和:7060

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35299596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 7019, 14038, 21057, 28076, 42114, 77209, 84228, 154418, 161437, 231627, 308836, 322874, 463254, 484311, 645748, 926508, 968622, 1775807, 1937244, 3551614, 5327421, 7103228, 10654842, 21309684]

約数ペア:

[(1, 21309684), (2, 10654842), (3, 7103228), (4, 5327421), (6, 3551614), (11, 1937244), (12, 1775807), (22, 968622), (23, 926508), (33, 645748), (44, 484311), (46, 463254), (66, 322874), (69, 308836), (92, 231627), (132, 161437), (138, 154418), (253, 84228), (276, 77209), (506, 42114), (759, 28076), (1012, 21057), (1518, 14038), (3036, 7019)]