21881124

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2441}}^1$

素因数の和:2537

約数の個数: 48

約数和(自身を含む): 57435840

約数和(自身を除く): 35554716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2441, 2988, 4482, 4882, 7323, 8964, 9764, 14646, 21969, 29292, 43938, 65907, 87876, 131814, 202603, 263628, 405206, 607809, 810412, 1215618, 1823427, 2431236, 3646854, 5470281, 7293708, 10940562, 21881124]

約数ペア:

[(1, 21881124), (2, 10940562), (3, 7293708), (4, 5470281), (6, 3646854), (9, 2431236), (12, 1823427), (18, 1215618), (27, 810412), (36, 607809), (54, 405206), (83, 263628), (108, 202603), (166, 131814), (249, 87876), (332, 65907), (498, 43938), (747, 29292), (996, 21969), (1494, 14646), (2241, 9764), (2441, 8964), (2988, 7323), (4482, 4882)]