21108636

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20219}}^1$

素因数の和:20258

約数の個数: 36

約数和(自身を含む): 55200600

約数和(自身を除く): 34091964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20219, 40438, 60657, 80876, 121314, 181971, 242628, 363942, 586351, 727884, 1172702, 1759053, 2345404, 3518106, 5277159, 7036212, 10554318, 21108636]

約数ペア:

[(1, 21108636), (2, 10554318), (3, 7036212), (4, 5277159), (6, 3518106), (9, 2345404), (12, 1759053), (18, 1172702), (29, 727884), (36, 586351), (58, 363942), (87, 242628), (116, 181971), (174, 121314), (261, 80876), (348, 60657), (522, 40438), (1044, 20219)]