21172338

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9721}}^1$

素因数の和:9751

約数の個数: 36

約数和(自身を含む): 50428014

約数和(自身を除く): 29255676

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9721, 19442, 29163, 58326, 87489, 106931, 174978, 213862, 320793, 641586, 962379, 1176241, 1924758, 2352482, 3528723, 7057446, 10586169, 21172338]

約数ペア:

[(1, 21172338), (2, 10586169), (3, 7057446), (6, 3528723), (9, 2352482), (11, 1924758), (18, 1176241), (22, 962379), (33, 641586), (66, 320793), (99, 213862), (121, 174978), (198, 106931), (242, 87489), (363, 58326), (726, 29163), (1089, 19442), (2178, 9721)]