21306942

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1093}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 50017680

約数和(自身を除く): 28710738

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1083, 1093, 2166, 2186, 3249, 3279, 6498, 6558, 9747, 9837, 19494, 19674, 20767, 29511, 41534, 59022, 62301, 124602, 186903, 373806, 394573, 560709, 789146, 1121418, 1183719, 2367438, 3551157, 7102314, 10653471, 21306942]

約数ペア:

[(1, 21306942), (2, 10653471), (3, 7102314), (6, 3551157), (9, 2367438), (18, 1183719), (19, 1121418), (27, 789146), (38, 560709), (54, 394573), (57, 373806), (114, 186903), (171, 124602), (342, 62301), (361, 59022), (513, 41534), (722, 29511), (1026, 20767), (1083, 19674), (1093, 19494), (2166, 9837), (2186, 9747), (3249, 6558), (3279, 6498)]