21111552

素因数分解:

$2^8\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 324

約数和(自身を含む): 81788616

約数和(自身を除く): 60677064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 17, 18, 21, 22, 24, 28, 32, 33, 34, 36, 42, 44, 48, 49, 51, 56, 63, 64, 66, 68, 72, 77, 84, 88, 96, 98, 99, 102, 112, 119, 126, 128, 132, 136, 144, 147, 153, 154, 168, 176, 187, 192, 196, 198, 204, 224, 231, 238, 252, 256, 264, 272, 288, 294, 306, 308, 336, 352, 357, 374, 384, 392, 396, 408, 441, 448, 462, 476, 504, 528, 539, 544, 561, 576, 588, 612, 616, 672, 693, 704, 714, 748, 768, 784, 792, 816, 833, 882, 896, 924, 952, 1008, 1056, 1071, 1078, 1088, 1122, 1152, 1176, 1224, 1232, 1309, 1344, 1386, 1408, 1428, 1496, 1568, 1584, 1617, 1632, 1666, 1683, 1764, 1792, 1848, 1904, 2016, 2112, 2142, 2156, 2176, 2244, 2304, 2352, 2448, 2464, 2499, 2618, 2688, 2772, 2816, 2856, 2992, 3136, 3168, 3234, 3264, 3332, 3366, 3528, 3696, 3808, 3927, 4032, 4224, 4284, 4312, 4352, 4488, 4704, 4851, 4896, 4928, 4998, 5236, 5376, 5544, 5712, 5984, 6272, 6336, 6468, 6528, 6664, 6732, 7056, 7392, 7497, 7616, 7854, 8064, 8448, 8568, 8624, 8976, 9163, 9408, 9702, 9792, 9856, 9996, 10472, 11088, 11424, 11781, 11968, 12544, 12672, 12936, 13056, 13328, 13464, 14112, 14784, 14994, 15232, 15708, 16128, 17136, 17248, 17952, 18326, 18816, 19404, 19584, 19712, 19992, 20944, 22176, 22848, 23562, 23936, 25344, 25872, 26656, 26928, 27489, 28224, 29568, 29988, 30464, 31416, 34272, 34496, 35904, 36652, 37632, 38808, 39168, 39984, 41888, 44352, 45696, 47124, 47872, 51744, 53312, 53856, 54978, 56448, 59136, 59976, 62832, 68544, 68992, 71808, 73304, 77616, 79968, 82467, 83776, 88704, 91392, 94248, 103488, 106624, 107712, 109956, 112896, 119952, 125664, 137088, 137984, 143616, 146608, 155232, 159936, 164934, 167552, 177408, 188496, 206976, 213248, 215424, 219912, 239904, 251328, 274176, 293216, 310464, 319872, 329868, 335104, 376992, 413952, 430848, 439824, 479808, 502656, 586432, 620928, 639744, 659736, 753984, 879648, 959616, 1005312, 1172864, 1241856, 1319472, 1507968, 1759296, 1919232, 2345728, 2638944, 3015936, 3518592, 5277888, 7037184, 10555776, 21111552]

約数ペア:

[(1, 21111552), (2, 10555776), (3, 7037184), (4, 5277888), (6, 3518592), (7, 3015936), (8, 2638944), (9, 2345728), (11, 1919232), (12, 1759296), (14, 1507968), (16, 1319472), (17, 1241856), (18, 1172864), (21, 1005312), (22, 959616), (24, 879648), (28, 753984), (32, 659736), (33, 639744), (34, 620928), (36, 586432), (42, 502656), (44, 479808), (48, 439824), (49, 430848), (51, 413952), (56, 376992), (63, 335104), (64, 329868), (66, 319872), (68, 310464), (72, 293216), (77, 274176), (84, 251328), (88, 239904), (96, 219912), (98, 215424), (99, 213248), (102, 206976), (112, 188496), (119, 177408), (126, 167552), (128, 164934), (132, 159936), (136, 155232), (144, 146608), (147, 143616), (153, 137984), (154, 137088), (168, 125664), (176, 119952), (187, 112896), (192, 109956), (196, 107712), (198, 106624), (204, 103488), (224, 94248), (231, 91392), (238, 88704), (252, 83776), (256, 82467), (264, 79968), (272, 77616), (288, 73304), (294, 71808), (306, 68992), (308, 68544), (336, 62832), (352, 59976), (357, 59136), (374, 56448), (384, 54978), (392, 53856), (396, 53312), (408, 51744), (441, 47872), (448, 47124), (462, 45696), (476, 44352), (504, 41888), (528, 39984), (539, 39168), (544, 38808), (561, 37632), (576, 36652), (588, 35904), (612, 34496), (616, 34272), (672, 31416), (693, 30464), (704, 29988), (714, 29568), (748, 28224), (768, 27489), (784, 26928), (792, 26656), (816, 25872), (833, 25344), (882, 23936), (896, 23562), (924, 22848), (952, 22176), (1008, 20944), (1056, 19992), (1071, 19712), (1078, 19584), (1088, 19404), (1122, 18816), (1152, 18326), (1176, 17952), (1224, 17248), (1232, 17136), (1309, 16128), (1344, 15708), (1386, 15232), (1408, 14994), (1428, 14784), (1496, 14112), (1568, 13464), (1584, 13328), (1617, 13056), (1632, 12936), (1666, 12672), (1683, 12544), (1764, 11968), (1792, 11781), (1848, 11424), (1904, 11088), (2016, 10472), (2112, 9996), (2142, 9856), (2156, 9792), (2176, 9702), (2244, 9408), (2304, 9163), (2352, 8976), (2448, 8624), (2464, 8568), (2499, 8448), (2618, 8064), (2688, 7854), (2772, 7616), (2816, 7497), (2856, 7392), (2992, 7056), (3136, 6732), (3168, 6664), (3234, 6528), (3264, 6468), (3332, 6336), (3366, 6272), (3528, 5984), (3696, 5712), (3808, 5544), (3927, 5376), (4032, 5236), (4224, 4998), (4284, 4928), (4312, 4896), (4352, 4851), (4488, 4704)]