21147285984

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{2591}}^1$

素因数の和:2805

約数の個数: 192

約数和(自身を含む): 62078607360

約数和(自身を除く): 40931321376

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 59, 66, 88, 96, 118, 131, 132, 176, 177, 236, 262, 264, 352, 354, 393, 472, 524, 528, 649, 708, 786, 944, 1048, 1056, 1298, 1416, 1441, 1572, 1888, 1947, 2096, 2591, 2596, 2832, 2882, 3144, 3894, 4192, 4323, 5182, 5192, 5664, 5764, 6288, 7729, 7773, 7788, 8646, 10364, 10384, 11528, 12576, 15458, 15546, 15576, 17292, 20728, 20768, 23056, 23187, 28501, 30916, 31092, 31152, 34584, 41456, 46112, 46374, 57002, 61832, 62184, 62304, 69168, 82912, 85019, 85503, 92748, 114004, 123664, 124368, 138336, 152869, 170038, 171006, 185496, 228008, 247328, 248736, 255057, 305738, 339421, 340076, 342012, 370992, 456016, 458607, 510114, 611476, 678842, 680152, 684024, 741984, 912032, 917214, 1018263, 1020228, 1222952, 1357684, 1360304, 1368048, 1681559, 1834428, 2036526, 2040456, 2445904, 2715368, 2720608, 2736096, 3363118, 3668856, 3733631, 4073052, 4080912, 4891808, 5044677, 5430736, 6726236, 7337712, 7467262, 8146104, 8161824, 10089354, 10861472, 11200893, 13452472, 14675424, 14934524, 16292208, 20025839, 20178708, 22401786, 26904944, 29869048, 32584416, 40051678, 40357416, 44803572, 53809888, 59738096, 60077517, 80103356, 80714832, 89607144, 119476192, 120155034, 160206712, 161429664, 179214288, 220284229, 240310068, 320413424, 358428576, 440568458, 480620136, 640826848, 660852687, 881136916, 961240272, 1321705374, 1762273832, 1922480544, 2643410748, 3524547664, 5286821496, 7049095328, 10573642992, 21147285984]

約数ペア:

[(1, 21147285984), (2, 10573642992), (3, 7049095328), (4, 5286821496), (6, 3524547664), (8, 2643410748), (11, 1922480544), (12, 1762273832), (16, 1321705374), (22, 961240272), (24, 881136916), (32, 660852687), (33, 640826848), (44, 480620136), (48, 440568458), (59, 358428576), (66, 320413424), (88, 240310068), (96, 220284229), (118, 179214288), (131, 161429664), (132, 160206712), (176, 120155034), (177, 119476192), (236, 89607144), (262, 80714832), (264, 80103356), (352, 60077517), (354, 59738096), (393, 53809888), (472, 44803572), (524, 40357416), (528, 40051678), (649, 32584416), (708, 29869048), (786, 26904944), (944, 22401786), (1048, 20178708), (1056, 20025839), (1298, 16292208), (1416, 14934524), (1441, 14675424), (1572, 13452472), (1888, 11200893), (1947, 10861472), (2096, 10089354), (2591, 8161824), (2596, 8146104), (2832, 7467262), (2882, 7337712), (3144, 6726236), (3894, 5430736), (4192, 5044677), (4323, 4891808), (5182, 4080912), (5192, 4073052), (5664, 3733631), (5764, 3668856), (6288, 3363118), (7729, 2736096), (7773, 2720608), (7788, 2715368), (8646, 2445904), (10364, 2040456), (10384, 2036526), (11528, 1834428), (12576, 1681559), (15458, 1368048), (15546, 1360304), (15576, 1357684), (17292, 1222952), (20728, 1020228), (20768, 1018263), (23056, 917214), (23187, 912032), (28501, 741984), (30916, 684024), (31092, 680152), (31152, 678842), (34584, 611476), (41456, 510114), (46112, 458607), (46374, 456016), (57002, 370992), (61832, 342012), (62184, 340076), (62304, 339421), (69168, 305738), (82912, 255057), (85019, 248736), (85503, 247328), (92748, 228008), (114004, 185496), (123664, 171006), (124368, 170038), (138336, 152869)]