21061084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 20710436

約数列:

[1, 2, 4, 11, 22, 44, 73, 79, 83, 146, 158, 166, 292, 316, 332, 803, 869, 913, 1606, 1738, 1826, 3212, 3476, 3652, 5767, 6059, 6557, 11534, 12118, 13114, 23068, 24236, 26228, 63437, 66649, 72127, 126874, 133298, 144254, 253748, 266596, 288508, 478661, 957322, 1914644, 5265271, 10530542, 21061084]

約数ペア:

[(1, 21061084), (2, 10530542), (4, 5265271), (11, 1914644), (22, 957322), (44, 478661), (73, 288508), (79, 266596), (83, 253748), (146, 144254), (158, 133298), (166, 126874), (292, 72127), (316, 66649), (332, 63437), (803, 26228), (869, 24236), (913, 23068), (1606, 13114), (1738, 12118), (1826, 11534), (3212, 6557), (3476, 6059), (3652, 5767)]