21555072

素因数分解:

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

素因数の和:53

約数の個数: 256

約数和(自身を含む): 80294400

約数和(自身を除く): 58739328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 64, 66, 72, 77, 81, 84, 88, 96, 99, 108, 112, 126, 128, 132, 144, 154, 162, 168, 176, 189, 192, 198, 216, 224, 231, 243, 252, 264, 288, 297, 308, 324, 336, 352, 378, 384, 396, 432, 448, 462, 486, 504, 528, 567, 576, 594, 616, 648, 672, 693, 704, 729, 756, 792, 864, 891, 896, 924, 972, 1008, 1056, 1134, 1152, 1188, 1232, 1296, 1344, 1386, 1408, 1458, 1512, 1584, 1701, 1728, 1782, 1848, 1944, 2016, 2079, 2112, 2187, 2268, 2376, 2464, 2592, 2673, 2688, 2772, 2916, 3024, 3168, 3402, 3456, 3564, 3696, 3888, 4032, 4158, 4224, 4374, 4536, 4752, 4928, 5103, 5184, 5346, 5544, 5832, 6048, 6237, 6336, 6804, 7128, 7392, 7776, 8019, 8064, 8316, 8748, 9072, 9504, 9856, 10206, 10368, 10692, 11088, 11664, 12096, 12474, 12672, 13608, 14256, 14784, 15309, 15552, 16038, 16632, 17496, 18144, 18711, 19008, 20412, 21384, 22176, 23328, 24057, 24192, 24948, 27216, 28512, 29568, 30618, 31104, 32076, 33264, 34992, 36288, 37422, 38016, 40824, 42768, 44352, 46656, 48114, 49896, 54432, 56133, 57024, 61236, 64152, 66528, 69984, 72576, 74844, 81648, 85536, 88704, 93312, 96228, 99792, 108864, 112266, 114048, 122472, 128304, 133056, 139968, 149688, 163296, 168399, 171072, 192456, 199584, 217728, 224532, 244944, 256608, 266112, 279936, 299376, 326592, 336798, 342144, 384912, 399168, 449064, 489888, 513216, 598752, 653184, 673596, 769824, 798336, 898128, 979776, 1026432, 1197504, 1347192, 1539648, 1796256, 1959552, 2395008, 2694384, 3079296, 3592512, 5388768, 7185024, 10777536, 21555072]

約数ペア:

[(1, 21555072), (2, 10777536), (3, 7185024), (4, 5388768), (6, 3592512), (7, 3079296), (8, 2694384), (9, 2395008), (11, 1959552), (12, 1796256), (14, 1539648), (16, 1347192), (18, 1197504), (21, 1026432), (22, 979776), (24, 898128), (27, 798336), (28, 769824), (32, 673596), (33, 653184), (36, 598752), (42, 513216), (44, 489888), (48, 449064), (54, 399168), (56, 384912), (63, 342144), (64, 336798), (66, 326592), (72, 299376), (77, 279936), (81, 266112), (84, 256608), (88, 244944), (96, 224532), (99, 217728), (108, 199584), (112, 192456), (126, 171072), (128, 168399), (132, 163296), (144, 149688), (154, 139968), (162, 133056), (168, 128304), (176, 122472), (189, 114048), (192, 112266), (198, 108864), (216, 99792), (224, 96228), (231, 93312), (243, 88704), (252, 85536), (264, 81648), (288, 74844), (297, 72576), (308, 69984), (324, 66528), (336, 64152), (352, 61236), (378, 57024), (384, 56133), (396, 54432), (432, 49896), (448, 48114), (462, 46656), (486, 44352), (504, 42768), (528, 40824), (567, 38016), (576, 37422), (594, 36288), (616, 34992), (648, 33264), (672, 32076), (693, 31104), (704, 30618), (729, 29568), (756, 28512), (792, 27216), (864, 24948), (891, 24192), (896, 24057), (924, 23328), (972, 22176), (1008, 21384), (1056, 20412), (1134, 19008), (1152, 18711), (1188, 18144), (1232, 17496), (1296, 16632), (1344, 16038), (1386, 15552), (1408, 15309), (1458, 14784), (1512, 14256), (1584, 13608), (1701, 12672), (1728, 12474), (1782, 12096), (1848, 11664), (1944, 11088), (2016, 10692), (2079, 10368), (2112, 10206), (2187, 9856), (2268, 9504), (2376, 9072), (2464, 8748), (2592, 8316), (2673, 8064), (2688, 8019), (2772, 7776), (2916, 7392), (3024, 7128), (3168, 6804), (3402, 6336), (3456, 6237), (3564, 6048), (3696, 5832), (3888, 5544), (4032, 5346), (4158, 5184), (4224, 5103), (4374, 4928), (4536, 4752)]