21884643

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 34632000

約数和(自身を除く): 12747357

約数列:

[1, 3, 9, 11, 33, 99, 443, 499, 1329, 1497, 3987, 4491, 4873, 5489, 14619, 16467, 43857, 49401, 221057, 663171, 1989513, 2431627, 7294881, 21884643]

約数ペア:

[(1, 21884643), (3, 7294881), (9, 2431627), (11, 1989513), (33, 663171), (99, 221057), (443, 49401), (499, 43857), (1329, 16467), (1497, 14619), (3987, 5489), (4491, 4873)]