21181314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 56180736

約数和(自身を除く): 34999422

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 127, 133, 154, 209, 231, 254, 266, 361, 381, 399, 418, 462, 627, 722, 762, 798, 889, 1083, 1254, 1397, 1463, 1778, 2166, 2413, 2527, 2667, 2794, 2926, 3971, 4191, 4389, 4826, 5054, 5334, 7239, 7581, 7942, 8382, 8778, 9779, 11913, 14478, 15162, 16891, 19558, 23826, 26543, 27797, 29337, 33782, 45847, 50673, 53086, 55594, 58674, 79629, 83391, 91694, 101346, 137541, 159258, 166782, 185801, 275082, 320929, 371602, 504317, 557403, 641858, 962787, 1008634, 1114806, 1512951, 1925574, 3025902, 3530219, 7060438, 10590657, 21181314]

約数ペア:

[(1, 21181314), (2, 10590657), (3, 7060438), (6, 3530219), (7, 3025902), (11, 1925574), (14, 1512951), (19, 1114806), (21, 1008634), (22, 962787), (33, 641858), (38, 557403), (42, 504317), (57, 371602), (66, 320929), (77, 275082), (114, 185801), (127, 166782), (133, 159258), (154, 137541), (209, 101346), (231, 91694), (254, 83391), (266, 79629), (361, 58674), (381, 55594), (399, 53086), (418, 50673), (462, 45847), (627, 33782), (722, 29337), (762, 27797), (798, 26543), (889, 23826), (1083, 19558), (1254, 16891), (1397, 15162), (1463, 14478), (1778, 11913), (2166, 9779), (2413, 8778), (2527, 8382), (2667, 7942), (2794, 7581), (2926, 7239), (3971, 5334), (4191, 5054), (4389, 4826)]