21058066

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{773}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 32350104

約数和(自身を除く): 11292038

約数列:

[1, 2, 53, 106, 257, 514, 773, 1546, 13621, 27242, 40969, 81938, 198661, 397322, 10529033, 21058066]

約数ペア:

[(1, 21058066), (2, 10529033), (53, 397322), (106, 198661), (257, 81938), (514, 40969), (773, 27242), (1546, 13621)]