21390864

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 63329280

約数和(自身を除く): 41938416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 33, 44, 48, 58, 66, 87, 88, 116, 121, 127, 132, 174, 176, 232, 242, 254, 264, 319, 348, 363, 381, 464, 484, 508, 528, 638, 696, 726, 762, 957, 968, 1016, 1276, 1392, 1397, 1452, 1524, 1914, 1936, 2032, 2552, 2794, 2904, 3048, 3509, 3683, 3828, 4191, 5104, 5588, 5808, 6096, 7018, 7366, 7656, 8382, 10527, 11049, 11176, 14036, 14732, 15312, 15367, 16764, 21054, 22098, 22352, 28072, 29464, 30734, 33528, 40513, 42108, 44196, 46101, 56144, 58928, 61468, 67056, 81026, 84216, 88392, 92202, 121539, 122936, 162052, 168432, 176784, 184404, 243078, 245872, 324104, 368808, 445643, 486156, 648208, 737616, 891286, 972312, 1336929, 1782572, 1944624, 2673858, 3565144, 5347716, 7130288, 10695432, 21390864]

約数ペア:

[(1, 21390864), (2, 10695432), (3, 7130288), (4, 5347716), (6, 3565144), (8, 2673858), (11, 1944624), (12, 1782572), (16, 1336929), (22, 972312), (24, 891286), (29, 737616), (33, 648208), (44, 486156), (48, 445643), (58, 368808), (66, 324104), (87, 245872), (88, 243078), (116, 184404), (121, 176784), (127, 168432), (132, 162052), (174, 122936), (176, 121539), (232, 92202), (242, 88392), (254, 84216), (264, 81026), (319, 67056), (348, 61468), (363, 58928), (381, 56144), (464, 46101), (484, 44196), (508, 42108), (528, 40513), (638, 33528), (696, 30734), (726, 29464), (762, 28072), (957, 22352), (968, 22098), (1016, 21054), (1276, 16764), (1392, 15367), (1397, 15312), (1452, 14732), (1524, 14036), (1914, 11176), (1936, 11049), (2032, 10527), (2552, 8382), (2794, 7656), (2904, 7366), (3048, 7018), (3509, 6096), (3683, 5808), (3828, 5588), (4191, 5104)]