21143808

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 288

約数和(自身を含む): 78489600

約数和(自身を除く): 57345792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 23, 24, 27, 28, 32, 36, 38, 42, 46, 48, 54, 56, 57, 63, 64, 69, 72, 76, 84, 92, 96, 108, 112, 114, 126, 128, 133, 138, 144, 152, 161, 168, 171, 184, 189, 192, 207, 216, 224, 228, 252, 256, 266, 276, 288, 304, 322, 336, 342, 368, 378, 384, 399, 414, 432, 437, 448, 456, 483, 504, 513, 532, 552, 576, 608, 621, 644, 672, 684, 736, 756, 768, 798, 828, 864, 874, 896, 912, 966, 1008, 1026, 1064, 1104, 1152, 1197, 1216, 1242, 1288, 1311, 1344, 1368, 1449, 1472, 1512, 1596, 1656, 1728, 1748, 1792, 1824, 1932, 2016, 2052, 2128, 2208, 2304, 2394, 2432, 2484, 2576, 2622, 2688, 2736, 2898, 2944, 3024, 3059, 3192, 3312, 3456, 3496, 3591, 3648, 3864, 3933, 4032, 4104, 4256, 4347, 4416, 4788, 4864, 4968, 5152, 5244, 5376, 5472, 5796, 5888, 6048, 6118, 6384, 6624, 6912, 6992, 7182, 7296, 7728, 7866, 8064, 8208, 8512, 8694, 8832, 9177, 9576, 9936, 10304, 10488, 10944, 11592, 11799, 12096, 12236, 12768, 13248, 13984, 14364, 14592, 15456, 15732, 16128, 16416, 17024, 17388, 17664, 18354, 19152, 19872, 20608, 20976, 21888, 23184, 23598, 24192, 24472, 25536, 26496, 27531, 27968, 28728, 30912, 31464, 32832, 34048, 34776, 36708, 38304, 39744, 41216, 41952, 43776, 46368, 47196, 48384, 48944, 51072, 52992, 55062, 55936, 57456, 61824, 62928, 65664, 69552, 73416, 76608, 79488, 82593, 83904, 92736, 94392, 97888, 102144, 110124, 111872, 114912, 123648, 125856, 131328, 139104, 146832, 153216, 158976, 165186, 167808, 185472, 188784, 195776, 220248, 229824, 251712, 278208, 293664, 306432, 330372, 335616, 370944, 377568, 391552, 440496, 459648, 503424, 556416, 587328, 660744, 755136, 783104, 880992, 919296, 1006848, 1112832, 1174656, 1321488, 1510272, 1761984, 2349312, 2642976, 3020544, 3523968, 5285952, 7047936, 10571904, 21143808]

約数ペア:

[(1, 21143808), (2, 10571904), (3, 7047936), (4, 5285952), (6, 3523968), (7, 3020544), (8, 2642976), (9, 2349312), (12, 1761984), (14, 1510272), (16, 1321488), (18, 1174656), (19, 1112832), (21, 1006848), (23, 919296), (24, 880992), (27, 783104), (28, 755136), (32, 660744), (36, 587328), (38, 556416), (42, 503424), (46, 459648), (48, 440496), (54, 391552), (56, 377568), (57, 370944), (63, 335616), (64, 330372), (69, 306432), (72, 293664), (76, 278208), (84, 251712), (92, 229824), (96, 220248), (108, 195776), (112, 188784), (114, 185472), (126, 167808), (128, 165186), (133, 158976), (138, 153216), (144, 146832), (152, 139104), (161, 131328), (168, 125856), (171, 123648), (184, 114912), (189, 111872), (192, 110124), (207, 102144), (216, 97888), (224, 94392), (228, 92736), (252, 83904), (256, 82593), (266, 79488), (276, 76608), (288, 73416), (304, 69552), (322, 65664), (336, 62928), (342, 61824), (368, 57456), (378, 55936), (384, 55062), (399, 52992), (414, 51072), (432, 48944), (437, 48384), (448, 47196), (456, 46368), (483, 43776), (504, 41952), (513, 41216), (532, 39744), (552, 38304), (576, 36708), (608, 34776), (621, 34048), (644, 32832), (672, 31464), (684, 30912), (736, 28728), (756, 27968), (768, 27531), (798, 26496), (828, 25536), (864, 24472), (874, 24192), (896, 23598), (912, 23184), (966, 21888), (1008, 20976), (1026, 20608), (1064, 19872), (1104, 19152), (1152, 18354), (1197, 17664), (1216, 17388), (1242, 17024), (1288, 16416), (1311, 16128), (1344, 15732), (1368, 15456), (1449, 14592), (1472, 14364), (1512, 13984), (1596, 13248), (1656, 12768), (1728, 12236), (1748, 12096), (1792, 11799), (1824, 11592), (1932, 10944), (2016, 10488), (2052, 10304), (2128, 9936), (2208, 9576), (2304, 9177), (2394, 8832), (2432, 8694), (2484, 8512), (2576, 8208), (2622, 8064), (2688, 7866), (2736, 7728), (2898, 7296), (2944, 7182), (3024, 6992), (3059, 6912), (3192, 6624), (3312, 6384), (3456, 6118), (3496, 6048), (3591, 5888), (3648, 5796), (3864, 5472), (3933, 5376), (4032, 5244), (4104, 5152), (4256, 4968), (4347, 4864), (4416, 4788)]