21506272

素因数分解:

$2^5\times {\mathrm{311}}^1\times {\mathrm{2161}}^1$

素因数の和:2482

約数の個数: 24

約数和(自身を含む): 42496272

約数和(自身を除く): 20990000

約数列:

[1, 2, 4, 8, 16, 32, 311, 622, 1244, 2161, 2488, 4322, 4976, 8644, 9952, 17288, 34576, 69152, 672071, 1344142, 2688284, 5376568, 10753136, 21506272]

約数ペア:

[(1, 21506272), (2, 10753136), (4, 5376568), (8, 2688284), (16, 1344142), (32, 672071), (311, 69152), (622, 34576), (1244, 17288), (2161, 9952), (2488, 8644), (4322, 4976)]