21713728

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{2161}}^1$

素因数の和:2330

約数の個数: 28

約数和(自身を含む): 43382692

約数和(自身を除く): 21668964

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 628, 1256, 2161, 2512, 4322, 5024, 8644, 10048, 17288, 34576, 69152, 138304, 339277, 678554, 1357108, 2714216, 5428432, 10856864, 21713728]

約数ペア:

[(1, 21713728), (2, 10856864), (4, 5428432), (8, 2714216), (16, 1357108), (32, 678554), (64, 339277), (157, 138304), (314, 69152), (628, 34576), (1256, 17288), (2161, 10048), (2512, 8644), (4322, 5024)]