21189168

素因数分解:

$2^4\times 3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 320

約数和(自身を含む): 83328000

約数和(自身を除く): 62138832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 18, 21, 22, 24, 26, 27, 28, 33, 36, 39, 42, 44, 48, 49, 52, 54, 56, 63, 66, 72, 77, 78, 84, 88, 91, 98, 99, 104, 108, 112, 117, 126, 132, 143, 144, 147, 154, 156, 168, 176, 182, 189, 196, 198, 208, 216, 231, 234, 252, 264, 273, 286, 294, 297, 308, 312, 336, 343, 351, 364, 378, 392, 396, 429, 432, 441, 462, 468, 504, 528, 539, 546, 572, 588, 594, 616, 624, 637, 686, 693, 702, 728, 756, 784, 792, 819, 858, 882, 924, 936, 1001, 1008, 1029, 1078, 1092, 1144, 1176, 1188, 1232, 1274, 1287, 1323, 1372, 1386, 1404, 1456, 1512, 1584, 1617, 1638, 1716, 1764, 1848, 1872, 1911, 2002, 2058, 2079, 2156, 2184, 2288, 2352, 2376, 2457, 2548, 2574, 2646, 2744, 2772, 2808, 3003, 3024, 3087, 3234, 3276, 3432, 3528, 3696, 3773, 3822, 3861, 4004, 4116, 4158, 4312, 4368, 4459, 4752, 4851, 4914, 5096, 5148, 5292, 5488, 5544, 5616, 5733, 6006, 6174, 6468, 6552, 6864, 7007, 7056, 7546, 7644, 7722, 8008, 8232, 8316, 8624, 8918, 9009, 9261, 9702, 9828, 10192, 10296, 10584, 11088, 11319, 11466, 12012, 12348, 12936, 13104, 13377, 14014, 14553, 15092, 15288, 15444, 16016, 16464, 16632, 17199, 17836, 18018, 18522, 19404, 19656, 20592, 21021, 21168, 22638, 22932, 24024, 24696, 25872, 26754, 27027, 28028, 29106, 30184, 30576, 30888, 33264, 33957, 34398, 35672, 36036, 37044, 38808, 39312, 40131, 42042, 45276, 45864, 48048, 49049, 49392, 53508, 54054, 56056, 58212, 60368, 61776, 63063, 67914, 68796, 71344, 72072, 74088, 77616, 80262, 84084, 90552, 91728, 98098, 101871, 107016, 108108, 112112, 116424, 120393, 126126, 135828, 137592, 144144, 147147, 148176, 160524, 168168, 181104, 189189, 196196, 203742, 214032, 216216, 232848, 240786, 252252, 271656, 275184, 294294, 321048, 336336, 378378, 392392, 407484, 432432, 441441, 481572, 504504, 543312, 588588, 642096, 756756, 784784, 814968, 882882, 963144, 1009008, 1177176, 1324323, 1513512, 1629936, 1765764, 1926288, 2354352, 2648646, 3027024, 3531528, 5297292, 7063056, 10594584, 21189168]

約数ペア:

[(1, 21189168), (2, 10594584), (3, 7063056), (4, 5297292), (6, 3531528), (7, 3027024), (8, 2648646), (9, 2354352), (11, 1926288), (12, 1765764), (13, 1629936), (14, 1513512), (16, 1324323), (18, 1177176), (21, 1009008), (22, 963144), (24, 882882), (26, 814968), (27, 784784), (28, 756756), (33, 642096), (36, 588588), (39, 543312), (42, 504504), (44, 481572), (48, 441441), (49, 432432), (52, 407484), (54, 392392), (56, 378378), (63, 336336), (66, 321048), (72, 294294), (77, 275184), (78, 271656), (84, 252252), (88, 240786), (91, 232848), (98, 216216), (99, 214032), (104, 203742), (108, 196196), (112, 189189), (117, 181104), (126, 168168), (132, 160524), (143, 148176), (144, 147147), (147, 144144), (154, 137592), (156, 135828), (168, 126126), (176, 120393), (182, 116424), (189, 112112), (196, 108108), (198, 107016), (208, 101871), (216, 98098), (231, 91728), (234, 90552), (252, 84084), (264, 80262), (273, 77616), (286, 74088), (294, 72072), (297, 71344), (308, 68796), (312, 67914), (336, 63063), (343, 61776), (351, 60368), (364, 58212), (378, 56056), (392, 54054), (396, 53508), (429, 49392), (432, 49049), (441, 48048), (462, 45864), (468, 45276), (504, 42042), (528, 40131), (539, 39312), (546, 38808), (572, 37044), (588, 36036), (594, 35672), (616, 34398), (624, 33957), (637, 33264), (686, 30888), (693, 30576), (702, 30184), (728, 29106), (756, 28028), (784, 27027), (792, 26754), (819, 25872), (858, 24696), (882, 24024), (924, 22932), (936, 22638), (1001, 21168), (1008, 21021), (1029, 20592), (1078, 19656), (1092, 19404), (1144, 18522), (1176, 18018), (1188, 17836), (1232, 17199), (1274, 16632), (1287, 16464), (1323, 16016), (1372, 15444), (1386, 15288), (1404, 15092), (1456, 14553), (1512, 14014), (1584, 13377), (1617, 13104), (1638, 12936), (1716, 12348), (1764, 12012), (1848, 11466), (1872, 11319), (1911, 11088), (2002, 10584), (2058, 10296), (2079, 10192), (2156, 9828), (2184, 9702), (2288, 9261), (2352, 9009), (2376, 8918), (2457, 8624), (2548, 8316), (2574, 8232), (2646, 8008), (2744, 7722), (2772, 7644), (2808, 7546), (3003, 7056), (3024, 7007), (3087, 6864), (3234, 6552), (3276, 6468), (3432, 6174), (3528, 6006), (3696, 5733), (3773, 5616), (3822, 5544), (3861, 5488), (4004, 5292), (4116, 5148), (4158, 5096), (4312, 4914), (4368, 4851), (4459, 4752)]