21654864

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 300

約数和(自身を含む): 82101888

約数和(自身を除く): 60447024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 31, 33, 36, 42, 44, 48, 49, 54, 56, 62, 63, 66, 72, 77, 81, 84, 88, 93, 98, 99, 108, 112, 124, 126, 132, 144, 147, 154, 162, 168, 176, 186, 189, 196, 198, 216, 217, 231, 248, 252, 264, 279, 294, 297, 308, 324, 336, 341, 372, 378, 392, 396, 432, 434, 441, 462, 496, 504, 528, 539, 558, 567, 588, 594, 616, 648, 651, 682, 693, 744, 756, 784, 792, 837, 868, 882, 891, 924, 1008, 1023, 1078, 1116, 1134, 1176, 1188, 1232, 1296, 1302, 1323, 1364, 1386, 1488, 1512, 1519, 1584, 1617, 1674, 1736, 1764, 1782, 1848, 1953, 2046, 2079, 2156, 2232, 2268, 2352, 2376, 2387, 2511, 2604, 2646, 2728, 2772, 3024, 3038, 3069, 3234, 3348, 3472, 3528, 3564, 3696, 3906, 3969, 4092, 4158, 4312, 4464, 4536, 4557, 4752, 4774, 4851, 5022, 5208, 5292, 5456, 5544, 5859, 6076, 6138, 6237, 6468, 6696, 7056, 7128, 7161, 7812, 7938, 8184, 8316, 8624, 9072, 9114, 9207, 9548, 9702, 10044, 10416, 10584, 11088, 11718, 12152, 12276, 12474, 12936, 13392, 13671, 14256, 14322, 14553, 15624, 15876, 16368, 16632, 16709, 17577, 18228, 18414, 19096, 19404, 20088, 21168, 21483, 23436, 24304, 24552, 24948, 25872, 27342, 27621, 28644, 29106, 31248, 31752, 33264, 33418, 35154, 36456, 36828, 38192, 38808, 40176, 41013, 42966, 43659, 46872, 49104, 49896, 50127, 54684, 55242, 57288, 58212, 63504, 64449, 66836, 70308, 72912, 73656, 77616, 82026, 85932, 87318, 93744, 99792, 100254, 109368, 110484, 114576, 116424, 123039, 128898, 133672, 140616, 147312, 150381, 164052, 171864, 174636, 193347, 200508, 218736, 220968, 232848, 246078, 257796, 267344, 281232, 300762, 328104, 343728, 349272, 386694, 401016, 441936, 451143, 492156, 515592, 601524, 656208, 698544, 773388, 802032, 902286, 984312, 1031184, 1203048, 1353429, 1546776, 1804572, 1968624, 2406096, 2706858, 3093552, 3609144, 5413716, 7218288, 10827432, 21654864]

約数ペア:

[(1, 21654864), (2, 10827432), (3, 7218288), (4, 5413716), (6, 3609144), (7, 3093552), (8, 2706858), (9, 2406096), (11, 1968624), (12, 1804572), (14, 1546776), (16, 1353429), (18, 1203048), (21, 1031184), (22, 984312), (24, 902286), (27, 802032), (28, 773388), (31, 698544), (33, 656208), (36, 601524), (42, 515592), (44, 492156), (48, 451143), (49, 441936), (54, 401016), (56, 386694), (62, 349272), (63, 343728), (66, 328104), (72, 300762), (77, 281232), (81, 267344), (84, 257796), (88, 246078), (93, 232848), (98, 220968), (99, 218736), (108, 200508), (112, 193347), (124, 174636), (126, 171864), (132, 164052), (144, 150381), (147, 147312), (154, 140616), (162, 133672), (168, 128898), (176, 123039), (186, 116424), (189, 114576), (196, 110484), (198, 109368), (216, 100254), (217, 99792), (231, 93744), (248, 87318), (252, 85932), (264, 82026), (279, 77616), (294, 73656), (297, 72912), (308, 70308), (324, 66836), (336, 64449), (341, 63504), (372, 58212), (378, 57288), (392, 55242), (396, 54684), (432, 50127), (434, 49896), (441, 49104), (462, 46872), (496, 43659), (504, 42966), (528, 41013), (539, 40176), (558, 38808), (567, 38192), (588, 36828), (594, 36456), (616, 35154), (648, 33418), (651, 33264), (682, 31752), (693, 31248), (744, 29106), (756, 28644), (784, 27621), (792, 27342), (837, 25872), (868, 24948), (882, 24552), (891, 24304), (924, 23436), (1008, 21483), (1023, 21168), (1078, 20088), (1116, 19404), (1134, 19096), (1176, 18414), (1188, 18228), (1232, 17577), (1296, 16709), (1302, 16632), (1323, 16368), (1364, 15876), (1386, 15624), (1488, 14553), (1512, 14322), (1519, 14256), (1584, 13671), (1617, 13392), (1674, 12936), (1736, 12474), (1764, 12276), (1782, 12152), (1848, 11718), (1953, 11088), (2046, 10584), (2079, 10416), (2156, 10044), (2232, 9702), (2268, 9548), (2352, 9207), (2376, 9114), (2387, 9072), (2511, 8624), (2604, 8316), (2646, 8184), (2728, 7938), (2772, 7812), (3024, 7161), (3038, 7128), (3069, 7056), (3234, 6696), (3348, 6468), (3472, 6237), (3528, 6138), (3564, 6076), (3696, 5859), (3906, 5544), (3969, 5456), (4092, 5292), (4158, 5208), (4312, 5022), (4464, 4851), (4536, 4774), (4557, 4752)]