21043008

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 168

約数和(自身を含む): 73225152

約数和(自身を除く): 52182144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 192, 204, 224, 238, 252, 272, 288, 306, 307, 336, 357, 408, 448, 476, 504, 544, 576, 612, 614, 672, 714, 816, 921, 952, 1008, 1071, 1088, 1224, 1228, 1344, 1428, 1632, 1842, 1904, 2016, 2142, 2149, 2448, 2456, 2763, 2856, 3264, 3684, 3808, 4032, 4284, 4298, 4896, 4912, 5219, 5526, 5712, 6447, 7368, 7616, 8568, 8596, 9792, 9824, 10438, 11052, 11424, 12894, 14736, 15657, 17136, 17192, 19341, 19648, 20876, 22104, 22848, 25788, 29472, 31314, 34272, 34384, 36533, 38682, 41752, 44208, 46971, 51576, 58944, 62628, 68544, 68768, 73066, 77364, 83504, 88416, 93942, 103152, 109599, 125256, 137536, 146132, 154728, 167008, 176832, 187884, 206304, 219198, 250512, 292264, 309456, 328797, 334016, 375768, 412608, 438396, 501024, 584528, 618912, 657594, 751536, 876792, 1002048, 1169056, 1237824, 1315188, 1503072, 1753584, 2338112, 2630376, 3006144, 3507168, 5260752, 7014336, 10521504, 21043008]

約数ペア:

[(1, 21043008), (2, 10521504), (3, 7014336), (4, 5260752), (6, 3507168), (7, 3006144), (8, 2630376), (9, 2338112), (12, 1753584), (14, 1503072), (16, 1315188), (17, 1237824), (18, 1169056), (21, 1002048), (24, 876792), (28, 751536), (32, 657594), (34, 618912), (36, 584528), (42, 501024), (48, 438396), (51, 412608), (56, 375768), (63, 334016), (64, 328797), (68, 309456), (72, 292264), (84, 250512), (96, 219198), (102, 206304), (112, 187884), (119, 176832), (126, 167008), (136, 154728), (144, 146132), (153, 137536), (168, 125256), (192, 109599), (204, 103152), (224, 93942), (238, 88416), (252, 83504), (272, 77364), (288, 73066), (306, 68768), (307, 68544), (336, 62628), (357, 58944), (408, 51576), (448, 46971), (476, 44208), (504, 41752), (544, 38682), (576, 36533), (612, 34384), (614, 34272), (672, 31314), (714, 29472), (816, 25788), (921, 22848), (952, 22104), (1008, 20876), (1071, 19648), (1088, 19341), (1224, 17192), (1228, 17136), (1344, 15657), (1428, 14736), (1632, 12894), (1842, 11424), (1904, 11052), (2016, 10438), (2142, 9824), (2149, 9792), (2448, 8596), (2456, 8568), (2763, 7616), (2856, 7368), (3264, 6447), (3684, 5712), (3808, 5526), (4032, 5219), (4284, 4912), (4298, 4896)]