16821224

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2161}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 36321600

約数和(自身を除く): 19500376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2161, 3892, 4322, 7784, 8644, 15127, 17288, 30254, 60508, 121016, 300379, 600758, 1201516, 2102653, 2403032, 4205306, 8410612, 16821224]

約数ペア:

[(1, 16821224), (2, 8410612), (4, 4205306), (7, 2403032), (8, 2102653), (14, 1201516), (28, 600758), (56, 300379), (139, 121016), (278, 60508), (556, 30254), (973, 17288), (1112, 15127), (1946, 8644), (2161, 7784), (3892, 4322)]