21383208

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 288

約数和(自身を含む): 80028000

約数和(自身を除く): 58644792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 19, 21, 22, 24, 28, 29, 33, 36, 38, 42, 44, 49, 56, 57, 58, 63, 66, 72, 76, 77, 84, 87, 88, 98, 99, 114, 116, 126, 132, 133, 147, 152, 154, 168, 171, 174, 196, 198, 203, 209, 228, 231, 232, 252, 261, 264, 266, 294, 308, 319, 342, 348, 392, 396, 399, 406, 418, 441, 456, 462, 504, 522, 532, 539, 551, 588, 609, 616, 627, 638, 684, 693, 696, 792, 798, 812, 836, 882, 924, 931, 957, 1044, 1064, 1078, 1102, 1176, 1197, 1218, 1254, 1276, 1368, 1386, 1421, 1463, 1596, 1617, 1624, 1653, 1672, 1764, 1827, 1848, 1862, 1881, 1914, 2088, 2156, 2204, 2233, 2394, 2436, 2508, 2552, 2772, 2793, 2842, 2871, 2926, 3192, 3234, 3306, 3528, 3654, 3724, 3762, 3828, 3857, 4263, 4312, 4389, 4408, 4466, 4788, 4851, 4872, 4959, 5016, 5544, 5586, 5684, 5742, 5852, 6061, 6468, 6612, 6699, 7308, 7448, 7524, 7656, 7714, 8379, 8526, 8778, 8932, 9576, 9702, 9918, 10241, 11172, 11368, 11484, 11571, 11704, 12122, 12789, 12936, 13167, 13224, 13398, 14616, 15048, 15428, 15631, 16758, 17052, 17556, 17864, 18183, 19404, 19836, 20097, 20482, 22344, 22968, 23142, 24244, 25578, 26334, 26796, 26999, 30723, 30856, 31262, 33516, 34104, 34713, 35112, 36366, 38808, 39672, 40194, 40964, 42427, 46284, 46893, 48488, 51156, 52668, 53592, 53998, 54549, 61446, 62524, 67032, 69426, 72732, 80388, 80997, 81928, 84854, 92169, 92568, 93786, 102312, 105336, 107996, 109098, 122892, 125048, 127281, 138852, 140679, 145464, 160776, 161994, 169708, 184338, 187572, 215992, 218196, 242991, 245784, 254562, 277704, 281358, 296989, 323988, 339416, 368676, 375144, 381843, 436392, 485982, 509124, 562716, 593978, 647976, 737352, 763686, 890967, 971964, 1018248, 1125432, 1187956, 1527372, 1781934, 1943928, 2375912, 2672901, 3054744, 3563868, 5345802, 7127736, 10691604, 21383208]

約数ペア:

[(1, 21383208), (2, 10691604), (3, 7127736), (4, 5345802), (6, 3563868), (7, 3054744), (8, 2672901), (9, 2375912), (11, 1943928), (12, 1781934), (14, 1527372), (18, 1187956), (19, 1125432), (21, 1018248), (22, 971964), (24, 890967), (28, 763686), (29, 737352), (33, 647976), (36, 593978), (38, 562716), (42, 509124), (44, 485982), (49, 436392), (56, 381843), (57, 375144), (58, 368676), (63, 339416), (66, 323988), (72, 296989), (76, 281358), (77, 277704), (84, 254562), (87, 245784), (88, 242991), (98, 218196), (99, 215992), (114, 187572), (116, 184338), (126, 169708), (132, 161994), (133, 160776), (147, 145464), (152, 140679), (154, 138852), (168, 127281), (171, 125048), (174, 122892), (196, 109098), (198, 107996), (203, 105336), (209, 102312), (228, 93786), (231, 92568), (232, 92169), (252, 84854), (261, 81928), (264, 80997), (266, 80388), (294, 72732), (308, 69426), (319, 67032), (342, 62524), (348, 61446), (392, 54549), (396, 53998), (399, 53592), (406, 52668), (418, 51156), (441, 48488), (456, 46893), (462, 46284), (504, 42427), (522, 40964), (532, 40194), (539, 39672), (551, 38808), (588, 36366), (609, 35112), (616, 34713), (627, 34104), (638, 33516), (684, 31262), (693, 30856), (696, 30723), (792, 26999), (798, 26796), (812, 26334), (836, 25578), (882, 24244), (924, 23142), (931, 22968), (957, 22344), (1044, 20482), (1064, 20097), (1078, 19836), (1102, 19404), (1176, 18183), (1197, 17864), (1218, 17556), (1254, 17052), (1276, 16758), (1368, 15631), (1386, 15428), (1421, 15048), (1463, 14616), (1596, 13398), (1617, 13224), (1624, 13167), (1653, 12936), (1672, 12789), (1764, 12122), (1827, 11704), (1848, 11571), (1862, 11484), (1881, 11368), (1914, 11172), (2088, 10241), (2156, 9918), (2204, 9702), (2233, 9576), (2394, 8932), (2436, 8778), (2508, 8526), (2552, 8379), (2772, 7714), (2793, 7656), (2842, 7524), (2871, 7448), (2926, 7308), (3192, 6699), (3234, 6612), (3306, 6468), (3528, 6061), (3654, 5852), (3724, 5742), (3762, 5684), (3828, 5586), (3857, 5544), (4263, 5016), (4312, 4959), (4389, 4872), (4408, 4851), (4466, 4788)]