21441706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 39000960

約数和(自身を除く): 17559254

約数列:

[1, 2, 11, 13, 22, 26, 73, 79, 143, 146, 158, 169, 286, 338, 803, 869, 949, 1027, 1606, 1738, 1859, 1898, 2054, 3718, 5767, 10439, 11297, 11534, 12337, 13351, 20878, 22594, 24674, 26702, 63437, 74971, 126874, 135707, 146861, 149942, 271414, 293722, 824681, 974623, 1649362, 1949246, 10720853, 21441706]

約数ペア:

[(1, 21441706), (2, 10720853), (11, 1949246), (13, 1649362), (22, 974623), (26, 824681), (73, 293722), (79, 271414), (143, 149942), (146, 146861), (158, 135707), (169, 126874), (286, 74971), (338, 63437), (803, 26702), (869, 24674), (949, 22594), (1027, 20878), (1606, 13351), (1738, 12337), (1859, 11534), (1898, 11297), (2054, 10439), (3718, 5767)]