21000605376

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:911

約数の個数: 224

約数和(自身を含む): 60280174080

約数和(自身を除く): 39279568704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 59, 64, 68, 96, 102, 118, 136, 167, 177, 192, 204, 236, 272, 334, 354, 408, 472, 501, 544, 653, 668, 708, 816, 944, 1002, 1003, 1088, 1306, 1336, 1416, 1632, 1888, 1959, 2004, 2006, 2612, 2672, 2832, 2839, 3009, 3264, 3776, 3918, 4008, 4012, 5224, 5344, 5664, 5678, 6018, 7836, 8016, 8024, 8517, 9853, 10448, 10688, 11101, 11328, 11356, 12036, 15672, 16032, 16048, 17034, 19706, 20896, 22202, 22712, 24072, 29559, 31344, 32064, 32096, 33303, 34068, 38527, 39412, 41792, 44404, 45424, 48144, 59118, 62688, 64192, 66606, 68136, 77054, 78824, 88808, 90848, 96288, 109051, 115581, 118236, 125376, 133212, 136272, 154108, 157648, 167501, 177616, 181696, 192576, 218102, 231162, 236472, 266424, 272544, 308216, 315296, 327153, 335002, 355232, 436204, 462324, 472944, 502503, 532848, 545088, 616432, 630592, 654306, 654959, 670004, 710464, 872408, 924648, 945888, 1005006, 1065696, 1232864, 1308612, 1309918, 1340008, 1744816, 1849296, 1853867, 1891776, 1964877, 2010012, 2131392, 2465728, 2617224, 2619836, 2680016, 3489632, 3698592, 3707734, 3929754, 4020024, 5234448, 5239672, 5360032, 5561601, 6434009, 6979264, 7397184, 7415468, 7859508, 8040048, 10468896, 10479344, 10720064, 11123202, 12868018, 14830936, 15719016, 16080096, 19302027, 20937792, 20958688, 22246404, 25736036, 29661872, 31438032, 32160192, 38604054, 41917376, 44492808, 51472072, 59323744, 62876064, 77208108, 88985616, 102944144, 109378153, 118647488, 125752128, 154416216, 177971232, 205888288, 218756306, 308832432, 328134459, 355942464, 411776576, 437512612, 617664864, 656268918, 875025224, 1235329728, 1312537836, 1750050448, 2625075672, 3500100896, 5250151344, 7000201792, 10500302688, 21000605376]

約数ペア:

[(1, 21000605376), (2, 10500302688), (3, 7000201792), (4, 5250151344), (6, 3500100896), (8, 2625075672), (12, 1750050448), (16, 1312537836), (17, 1235329728), (24, 875025224), (32, 656268918), (34, 617664864), (48, 437512612), (51, 411776576), (59, 355942464), (64, 328134459), (68, 308832432), (96, 218756306), (102, 205888288), (118, 177971232), (136, 154416216), (167, 125752128), (177, 118647488), (192, 109378153), (204, 102944144), (236, 88985616), (272, 77208108), (334, 62876064), (354, 59323744), (408, 51472072), (472, 44492808), (501, 41917376), (544, 38604054), (653, 32160192), (668, 31438032), (708, 29661872), (816, 25736036), (944, 22246404), (1002, 20958688), (1003, 20937792), (1088, 19302027), (1306, 16080096), (1336, 15719016), (1416, 14830936), (1632, 12868018), (1888, 11123202), (1959, 10720064), (2004, 10479344), (2006, 10468896), (2612, 8040048), (2672, 7859508), (2832, 7415468), (2839, 7397184), (3009, 6979264), (3264, 6434009), (3776, 5561601), (3918, 5360032), (4008, 5239672), (4012, 5234448), (5224, 4020024), (5344, 3929754), (5664, 3707734), (5678, 3698592), (6018, 3489632), (7836, 2680016), (8016, 2619836), (8024, 2617224), (8517, 2465728), (9853, 2131392), (10448, 2010012), (10688, 1964877), (11101, 1891776), (11328, 1853867), (11356, 1849296), (12036, 1744816), (15672, 1340008), (16032, 1309918), (16048, 1308612), (17034, 1232864), (19706, 1065696), (20896, 1005006), (22202, 945888), (22712, 924648), (24072, 872408), (29559, 710464), (31344, 670004), (32064, 654959), (32096, 654306), (33303, 630592), (34068, 616432), (38527, 545088), (39412, 532848), (41792, 502503), (44404, 472944), (45424, 462324), (48144, 436204), (59118, 355232), (62688, 335002), (64192, 327153), (66606, 315296), (68136, 308216), (77054, 272544), (78824, 266424), (88808, 236472), (90848, 231162), (96288, 218102), (109051, 192576), (115581, 181696), (118236, 177616), (125376, 167501), (133212, 157648), (136272, 154108)]