21423292

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44263}}^1$

素因数の和:44289

約数の個数: 18

約数和(自身を含む): 41209784

約数和(自身を除く): 19786492

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44263, 88526, 177052, 486893, 973786, 1947572, 5355823, 10711646, 21423292]

約数ペア:

[(1, 21423292), (2, 10711646), (4, 5355823), (11, 1947572), (22, 973786), (44, 486893), (121, 177052), (242, 88526), (484, 44263)]