21618873

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 34529280

約数和(自身を除く): 12910407

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 1123, 2139, 3369, 6417, 10107, 19251, 25829, 30321, 34813, 77487, 104439, 232461, 313317, 697383, 800699, 939951, 2402097, 7206291, 21618873]

約数ペア:

[(1, 21618873), (3, 7206291), (9, 2402097), (23, 939951), (27, 800699), (31, 697383), (69, 313317), (93, 232461), (207, 104439), (279, 77487), (621, 34813), (713, 30321), (837, 25829), (1123, 19251), (2139, 10107), (3369, 6417)]