21499596

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5479}}^1$

素因数の和:5598

約数の個数: 36

約数和(自身を含む): 54854800

約数和(自身を除く): 33355204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5479, 10958, 16437, 21916, 32874, 49311, 65748, 98622, 197244, 597211, 1194422, 1791633, 2388844, 3583266, 5374899, 7166532, 10749798, 21499596]

約数ペア:

[(1, 21499596), (2, 10749798), (3, 7166532), (4, 5374899), (6, 3583266), (9, 2388844), (12, 1791633), (18, 1194422), (36, 597211), (109, 197244), (218, 98622), (327, 65748), (436, 49311), (654, 32874), (981, 21916), (1308, 16437), (1962, 10958), (3924, 5479)]