21000955968

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{9547}}^1$

素因数の和:9654

約数の個数: 224

約数和(自身を含む): 65965222400

約数和(自身を除く): 44964266432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 67, 72, 76, 96, 108, 114, 134, 144, 152, 171, 192, 201, 216, 228, 268, 288, 304, 342, 402, 432, 456, 513, 536, 576, 603, 608, 684, 804, 864, 912, 1026, 1072, 1206, 1216, 1273, 1368, 1608, 1728, 1809, 1824, 2052, 2144, 2412, 2546, 2736, 3216, 3618, 3648, 3819, 4104, 4288, 4824, 5092, 5472, 6432, 7236, 7638, 8208, 9547, 9648, 10184, 10944, 11457, 12864, 14472, 15276, 16416, 19094, 19296, 20368, 22914, 28641, 28944, 30552, 32832, 34371, 38188, 38592, 40736, 45828, 57282, 57888, 61104, 68742, 76376, 81472, 85923, 91656, 114564, 115776, 122208, 137484, 152752, 171846, 181393, 183312, 229128, 244416, 257769, 274968, 305504, 343692, 362786, 366624, 458256, 515538, 544179, 549936, 611008, 639649, 687384, 725572, 733248, 916512, 1031076, 1088358, 1099872, 1279298, 1374768, 1451144, 1632537, 1833024, 1918947, 2062152, 2176716, 2199744, 2558596, 2749536, 2902288, 3265074, 3837894, 4124304, 4353432, 4897611, 5117192, 5499072, 5756841, 5804576, 6530148, 7675788, 8248608, 8706864, 9795222, 10234384, 11513682, 11609152, 12153331, 13060296, 15351576, 16497216, 17270523, 17413728, 19590444, 20468768, 23027364, 24306662, 26120592, 30703152, 34541046, 34827456, 36459993, 39180888, 40937536, 46054728, 48613324, 52241184, 61406304, 69082092, 72919986, 78361776, 92109456, 97226648, 104482368, 109379979, 122812608, 138164184, 145839972, 156723552, 184218912, 194453296, 218759958, 276328368, 291679944, 313447104, 328139937, 368437824, 388906592, 437519916, 552656736, 583359888, 656279874, 777813184, 875039832, 1105313472, 1166719776, 1312559748, 1750079664, 2333439552, 2625119496, 3500159328, 5250238992, 7000318656, 10500477984, 21000955968]

約数ペア:

[(1, 21000955968), (2, 10500477984), (3, 7000318656), (4, 5250238992), (6, 3500159328), (8, 2625119496), (9, 2333439552), (12, 1750079664), (16, 1312559748), (18, 1166719776), (19, 1105313472), (24, 875039832), (27, 777813184), (32, 656279874), (36, 583359888), (38, 552656736), (48, 437519916), (54, 388906592), (57, 368437824), (64, 328139937), (67, 313447104), (72, 291679944), (76, 276328368), (96, 218759958), (108, 194453296), (114, 184218912), (134, 156723552), (144, 145839972), (152, 138164184), (171, 122812608), (192, 109379979), (201, 104482368), (216, 97226648), (228, 92109456), (268, 78361776), (288, 72919986), (304, 69082092), (342, 61406304), (402, 52241184), (432, 48613324), (456, 46054728), (513, 40937536), (536, 39180888), (576, 36459993), (603, 34827456), (608, 34541046), (684, 30703152), (804, 26120592), (864, 24306662), (912, 23027364), (1026, 20468768), (1072, 19590444), (1206, 17413728), (1216, 17270523), (1273, 16497216), (1368, 15351576), (1608, 13060296), (1728, 12153331), (1809, 11609152), (1824, 11513682), (2052, 10234384), (2144, 9795222), (2412, 8706864), (2546, 8248608), (2736, 7675788), (3216, 6530148), (3618, 5804576), (3648, 5756841), (3819, 5499072), (4104, 5117192), (4288, 4897611), (4824, 4353432), (5092, 4124304), (5472, 3837894), (6432, 3265074), (7236, 2902288), (7638, 2749536), (8208, 2558596), (9547, 2199744), (9648, 2176716), (10184, 2062152), (10944, 1918947), (11457, 1833024), (12864, 1632537), (14472, 1451144), (15276, 1374768), (16416, 1279298), (19094, 1099872), (19296, 1088358), (20368, 1031076), (22914, 916512), (28641, 733248), (28944, 725572), (30552, 687384), (32832, 639649), (34371, 611008), (38188, 549936), (38592, 544179), (40736, 515538), (45828, 458256), (57282, 366624), (57888, 362786), (61104, 343692), (68742, 305504), (76376, 274968), (81472, 257769), (85923, 244416), (91656, 229128), (114564, 183312), (115776, 181393), (122208, 171846), (137484, 152752)]