21058774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7307}}^1$

素因数の和:7451

約数の個数: 16

約数和(自身を含む): 34727616

約数和(自身を除く): 13668842

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7307, 14614, 80377, 160754, 957217, 1914434, 10529387, 21058774]

約数ペア:

[(1, 21058774), (2, 10529387), (11, 1914434), (22, 957217), (131, 160754), (262, 80377), (1441, 14614), (2882, 7307)]