21700808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66161}}^1$

素因数の和:66208

約数の個数: 16

約数和(自身を含む): 41682060

約数和(自身を除く): 19981252

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66161, 132322, 264644, 529288, 2712601, 5425202, 10850404, 21700808]

約数ペア:

[(1, 21700808), (2, 10850404), (4, 5425202), (8, 2712601), (41, 529288), (82, 264644), (164, 132322), (328, 66161)]