21084564368

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{1453}}^1$

素因数の和:1781

約数の個数: 120

約数和(自身を含む): 48342405888

約数和(自身を除く): 27257841520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 223, 332, 392, 446, 581, 664, 784, 892, 1162, 1328, 1453, 1561, 1784, 2324, 2906, 3122, 3568, 4067, 4648, 5812, 6244, 8134, 9296, 10171, 10927, 11624, 12488, 16268, 18509, 20342, 21854, 23248, 24976, 32536, 37018, 40684, 43708, 65072, 71197, 74036, 81368, 87416, 120599, 129563, 142394, 148072, 162736, 174832, 241198, 259126, 284788, 296144, 324019, 482396, 518252, 569576, 648038, 844193, 906941, 964792, 1036504, 1139152, 1296076, 1688386, 1813882, 1929584, 2073008, 2268133, 2592152, 3376772, 3627764, 4536266, 5184304, 5909351, 6753544, 7255528, 9072532, 11818702, 13507088, 14511056, 15876931, 18145064, 23637404, 26893577, 31753862, 36290128, 47274808, 53787154, 63507724, 94549616, 107574308, 127015448, 188255039, 215148616, 254030896, 376510078, 430297232, 753020156, 1317785273, 1506040312, 2635570546, 3012080624, 5271141092, 10542282184, 21084564368]

約数ペア:

[(1, 21084564368), (2, 10542282184), (4, 5271141092), (7, 3012080624), (8, 2635570546), (14, 1506040312), (16, 1317785273), (28, 753020156), (49, 430297232), (56, 376510078), (83, 254030896), (98, 215148616), (112, 188255039), (166, 127015448), (196, 107574308), (223, 94549616), (332, 63507724), (392, 53787154), (446, 47274808), (581, 36290128), (664, 31753862), (784, 26893577), (892, 23637404), (1162, 18145064), (1328, 15876931), (1453, 14511056), (1561, 13507088), (1784, 11818702), (2324, 9072532), (2906, 7255528), (3122, 6753544), (3568, 5909351), (4067, 5184304), (4648, 4536266), (5812, 3627764), (6244, 3376772), (8134, 2592152), (9296, 2268133), (10171, 2073008), (10927, 1929584), (11624, 1813882), (12488, 1688386), (16268, 1296076), (18509, 1139152), (20342, 1036504), (21854, 964792), (23248, 906941), (24976, 844193), (32536, 648038), (37018, 569576), (40684, 518252), (43708, 482396), (65072, 324019), (71197, 296144), (74036, 284788), (81368, 259126), (87416, 241198), (120599, 174832), (129563, 162736), (142394, 148072)]