21499998912

素因数分解:

$2^6\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8257

約数の個数: 336

約数和(自身を含む): 75906416640

約数和(自身を除く): 54406417728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 49, 54, 56, 62, 63, 64, 72, 84, 93, 96, 98, 108, 112, 124, 126, 144, 147, 168, 186, 189, 192, 196, 216, 217, 224, 248, 252, 279, 288, 294, 336, 372, 378, 392, 432, 434, 441, 448, 496, 504, 558, 576, 588, 651, 672, 744, 756, 784, 837, 864, 868, 882, 992, 1008, 1116, 1176, 1302, 1323, 1344, 1488, 1512, 1519, 1568, 1674, 1728, 1736, 1764, 1953, 1984, 2016, 2232, 2352, 2604, 2646, 2976, 3024, 3038, 3136, 3348, 3472, 3528, 3906, 4032, 4464, 4557, 4704, 5208, 5292, 5859, 5952, 6048, 6076, 6696, 6944, 7056, 7812, 8191, 8928, 9114, 9408, 10416, 10584, 11718, 12096, 12152, 13392, 13671, 13888, 14112, 15624, 16382, 17856, 18228, 20832, 21168, 23436, 24304, 24573, 26784, 27342, 28224, 31248, 32764, 36456, 41013, 41664, 42336, 46872, 48608, 49146, 53568, 54684, 57337, 62496, 65528, 72912, 73719, 82026, 84672, 93744, 97216, 98292, 109368, 114674, 124992, 131056, 145824, 147438, 164052, 172011, 187488, 196584, 218736, 221157, 229348, 253921, 262112, 291648, 294876, 328104, 344022, 374976, 393168, 401359, 437472, 442314, 458696, 507842, 516033, 524224, 589752, 656208, 688044, 761763, 786336, 802718, 874944, 884628, 917392, 1015684, 1032066, 1179504, 1204077, 1312416, 1376088, 1523526, 1548099, 1572672, 1605436, 1769256, 1777447, 1834784, 2031368, 2064132, 2285289, 2359008, 2408154, 2624832, 2752176, 3047052, 3096198, 3210872, 3538512, 3554894, 3612231, 3669568, 4062736, 4128264, 4570578, 4718016, 4816308, 5332341, 5504352, 6094104, 6192396, 6421744, 6855867, 7077024, 7109788, 7224462, 8125472, 8256528, 9141156, 9632616, 10664682, 10836693, 11008704, 12188208, 12384792, 12442129, 12843488, 13711734, 14154048, 14219576, 14448924, 15997023, 16250944, 16513056, 18282312, 19265232, 21329364, 21673386, 24376416, 24769584, 24884258, 25686976, 27423468, 28439152, 28897848, 31994046, 33026112, 36564624, 37326387, 38530464, 42658728, 43346772, 47991069, 48752832, 49539168, 49768516, 54846936, 56878304, 57795696, 63988092, 73129248, 74652774, 77060928, 85317456, 86693544, 95982138, 99078336, 99537032, 109693872, 111979161, 113756608, 115591392, 127976184, 146258496, 149305548, 170634912, 173387088, 191964276, 199074064, 219387744, 223958322, 231182784, 255952368, 298611096, 335937483, 341269824, 346774176, 383928552, 398148128, 438775488, 447916644, 511904736, 597222192, 671874966, 693548352, 767857104, 796296256, 895833288, 1023809472, 1194444384, 1343749932, 1535714208, 1791666576, 2388888768, 2687499864, 3071428416, 3583333152, 5374999728, 7166666304, 10749999456, 21499998912]

約数ペア:

[(1, 21499998912), (2, 10749999456), (3, 7166666304), (4, 5374999728), (6, 3583333152), (7, 3071428416), (8, 2687499864), (9, 2388888768), (12, 1791666576), (14, 1535714208), (16, 1343749932), (18, 1194444384), (21, 1023809472), (24, 895833288), (27, 796296256), (28, 767857104), (31, 693548352), (32, 671874966), (36, 597222192), (42, 511904736), (48, 447916644), (49, 438775488), (54, 398148128), (56, 383928552), (62, 346774176), (63, 341269824), (64, 335937483), (72, 298611096), (84, 255952368), (93, 231182784), (96, 223958322), (98, 219387744), (108, 199074064), (112, 191964276), (124, 173387088), (126, 170634912), (144, 149305548), (147, 146258496), (168, 127976184), (186, 115591392), (189, 113756608), (192, 111979161), (196, 109693872), (216, 99537032), (217, 99078336), (224, 95982138), (248, 86693544), (252, 85317456), (279, 77060928), (288, 74652774), (294, 73129248), (336, 63988092), (372, 57795696), (378, 56878304), (392, 54846936), (432, 49768516), (434, 49539168), (441, 48752832), (448, 47991069), (496, 43346772), (504, 42658728), (558, 38530464), (576, 37326387), (588, 36564624), (651, 33026112), (672, 31994046), (744, 28897848), (756, 28439152), (784, 27423468), (837, 25686976), (864, 24884258), (868, 24769584), (882, 24376416), (992, 21673386), (1008, 21329364), (1116, 19265232), (1176, 18282312), (1302, 16513056), (1323, 16250944), (1344, 15997023), (1488, 14448924), (1512, 14219576), (1519, 14154048), (1568, 13711734), (1674, 12843488), (1728, 12442129), (1736, 12384792), (1764, 12188208), (1953, 11008704), (1984, 10836693), (2016, 10664682), (2232, 9632616), (2352, 9141156), (2604, 8256528), (2646, 8125472), (2976, 7224462), (3024, 7109788), (3038, 7077024), (3136, 6855867), (3348, 6421744), (3472, 6192396), (3528, 6094104), (3906, 5504352), (4032, 5332341), (4464, 4816308), (4557, 4718016), (4704, 4570578), (5208, 4128264), (5292, 4062736), (5859, 3669568), (5952, 3612231), (6048, 3554894), (6076, 3538512), (6696, 3210872), (6944, 3096198), (7056, 3047052), (7812, 2752176), (8191, 2624832), (8928, 2408154), (9114, 2359008), (9408, 2285289), (10416, 2064132), (10584, 2031368), (11718, 1834784), (12096, 1777447), (12152, 1769256), (13392, 1605436), (13671, 1572672), (13888, 1548099), (14112, 1523526), (15624, 1376088), (16382, 1312416), (17856, 1204077), (18228, 1179504), (20832, 1032066), (21168, 1015684), (23436, 917392), (24304, 884628), (24573, 874944), (26784, 802718), (27342, 786336), (28224, 761763), (31248, 688044), (32764, 656208), (36456, 589752), (41013, 524224), (41664, 516033), (42336, 507842), (46872, 458696), (48608, 442314), (49146, 437472), (53568, 401359), (54684, 393168), (57337, 374976), (62496, 344022), (65528, 328104), (72912, 294876), (73719, 291648), (82026, 262112), (84672, 253921), (93744, 229348), (97216, 221157), (98292, 218736), (109368, 196584), (114674, 187488), (124992, 172011), (131056, 164052), (145824, 147438)]