21891606

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331691}}^1$

素因数の和:331707

約数の個数: 16

約数和(自身を含む): 47763648

約数和(自身を除く): 25872042

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331691, 663382, 995073, 1990146, 3648601, 7297202, 10945803, 21891606]

約数ペア:

[(1, 21891606), (2, 10945803), (3, 7297202), (6, 3648601), (11, 1990146), (22, 995073), (33, 663382), (66, 331691)]