21897964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1039}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 41932800

約数和(自身を除く): 20034836

約数列:

[1, 2, 4, 11, 22, 44, 479, 958, 1039, 1916, 2078, 4156, 5269, 10538, 11429, 21076, 22858, 45716, 497681, 995362, 1990724, 5474491, 10948982, 21897964]

約数ペア:

[(1, 21897964), (2, 10948982), (4, 5474491), (11, 1990724), (22, 995362), (44, 497681), (479, 45716), (958, 22858), (1039, 21076), (1916, 11429), (2078, 10538), (4156, 5269)]