21157862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{11587}}^1$

素因数の和:11683

約数の個数: 16

約数和(自身を含む): 35042112

約数和(自身を除く): 13884250

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 11587, 23174, 127457, 254914, 961721, 1923442, 10578931, 21157862]

約数ペア:

[(1, 21157862), (2, 10578931), (11, 1923442), (22, 961721), (83, 254914), (166, 127457), (913, 23174), (1826, 11587)]