21344642

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:674

約数の個数: 24

約数和(自身を含む): 35451948

約数和(自身を除く): 14107306

約数列:

[1, 2, 11, 22, 121, 193, 242, 386, 457, 914, 2123, 4246, 5027, 10054, 23353, 46706, 55297, 88201, 110594, 176402, 970211, 1940422, 10672321, 21344642]

約数ペア:

[(1, 21344642), (2, 10672321), (11, 1940422), (22, 970211), (121, 176402), (193, 110594), (242, 88201), (386, 55297), (457, 46706), (914, 23353), (2123, 10054), (4246, 5027)]