21405676968

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:537

約数の個数: 288

約数和(自身を含む): 65742243840

約数和(自身を除く): 44336566872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 29, 36, 39, 52, 58, 71, 72, 78, 87, 104, 116, 117, 142, 156, 174, 213, 232, 234, 261, 284, 312, 348, 377, 383, 426, 468, 522, 568, 639, 696, 754, 766, 841, 852, 923, 936, 1044, 1131, 1149, 1278, 1508, 1532, 1682, 1704, 1846, 2059, 2088, 2262, 2298, 2523, 2556, 2769, 3016, 3064, 3364, 3393, 3447, 3692, 4118, 4524, 4596, 4979, 5046, 5112, 5538, 6177, 6728, 6786, 6894, 7384, 7569, 8236, 8307, 9048, 9192, 9958, 10092, 10933, 11076, 11107, 12354, 13572, 13788, 14937, 15138, 16472, 16614, 18531, 19916, 20184, 21866, 22152, 22214, 24708, 26767, 27144, 27193, 27576, 29874, 30276, 32799, 33228, 33321, 37062, 39832, 43732, 44428, 44811, 49416, 53534, 54386, 59711, 59748, 60552, 65598, 66456, 66642, 74124, 80301, 81579, 87464, 88856, 89622, 98397, 99963, 107068, 108772, 119422, 119496, 131196, 133284, 144391, 148248, 160602, 163158, 179133, 179244, 196794, 199926, 214136, 217544, 238844, 240903, 244737, 262392, 266568, 288782, 321204, 322103, 326316, 353509, 358266, 358488, 393588, 399852, 433173, 477688, 481806, 489474, 537399, 577564, 642408, 644206, 652632, 707018, 716532, 776243, 787176, 788597, 799704, 866346, 963612, 966309, 978948, 1060527, 1074798, 1155128, 1288412, 1299519, 1414036, 1433064, 1552486, 1577194, 1732692, 1927224, 1932618, 1957896, 2121054, 2149596, 2328729, 2365791, 2576824, 2599038, 2828072, 2898927, 3104972, 3154388, 3181581, 3465384, 3865236, 4187339, 4242108, 4299192, 4657458, 4731582, 5198076, 5797854, 6209944, 6308776, 6363162, 6986187, 7097373, 7730472, 8374678, 8484216, 9314916, 9463164, 10251761, 10396152, 11595708, 12562017, 12726324, 13972374, 14194746, 16749356, 18629832, 18926328, 20503522, 22869313, 23191416, 25124034, 25452648, 27944748, 28389492, 30755283, 33498712, 37686051, 41007044, 45738626, 50248068, 55889496, 56778984, 61510566, 68607939, 75372102, 82014088, 91477252, 92265849, 100496136, 123021132, 137215878, 150744204, 182954504, 184531698, 205823817, 246042264, 274431756, 297301069, 301488408, 369063396, 411647634, 548863512, 594602138, 738126792, 823295268, 891903207, 1189204276, 1646590536, 1783806414, 2378408552, 2675709621, 3567612828, 5351419242, 7135225656, 10702838484, 21405676968]

約数ペア:

[(1, 21405676968), (2, 10702838484), (3, 7135225656), (4, 5351419242), (6, 3567612828), (8, 2675709621), (9, 2378408552), (12, 1783806414), (13, 1646590536), (18, 1189204276), (24, 891903207), (26, 823295268), (29, 738126792), (36, 594602138), (39, 548863512), (52, 411647634), (58, 369063396), (71, 301488408), (72, 297301069), (78, 274431756), (87, 246042264), (104, 205823817), (116, 184531698), (117, 182954504), (142, 150744204), (156, 137215878), (174, 123021132), (213, 100496136), (232, 92265849), (234, 91477252), (261, 82014088), (284, 75372102), (312, 68607939), (348, 61510566), (377, 56778984), (383, 55889496), (426, 50248068), (468, 45738626), (522, 41007044), (568, 37686051), (639, 33498712), (696, 30755283), (754, 28389492), (766, 27944748), (841, 25452648), (852, 25124034), (923, 23191416), (936, 22869313), (1044, 20503522), (1131, 18926328), (1149, 18629832), (1278, 16749356), (1508, 14194746), (1532, 13972374), (1682, 12726324), (1704, 12562017), (1846, 11595708), (2059, 10396152), (2088, 10251761), (2262, 9463164), (2298, 9314916), (2523, 8484216), (2556, 8374678), (2769, 7730472), (3016, 7097373), (3064, 6986187), (3364, 6363162), (3393, 6308776), (3447, 6209944), (3692, 5797854), (4118, 5198076), (4524, 4731582), (4596, 4657458), (4979, 4299192), (5046, 4242108), (5112, 4187339), (5538, 3865236), (6177, 3465384), (6728, 3181581), (6786, 3154388), (6894, 3104972), (7384, 2898927), (7569, 2828072), (8236, 2599038), (8307, 2576824), (9048, 2365791), (9192, 2328729), (9958, 2149596), (10092, 2121054), (10933, 1957896), (11076, 1932618), (11107, 1927224), (12354, 1732692), (13572, 1577194), (13788, 1552486), (14937, 1433064), (15138, 1414036), (16472, 1299519), (16614, 1288412), (18531, 1155128), (19916, 1074798), (20184, 1060527), (21866, 978948), (22152, 966309), (22214, 963612), (24708, 866346), (26767, 799704), (27144, 788597), (27193, 787176), (27576, 776243), (29874, 716532), (30276, 707018), (32799, 652632), (33228, 644206), (33321, 642408), (37062, 577564), (39832, 537399), (43732, 489474), (44428, 481806), (44811, 477688), (49416, 433173), (53534, 399852), (54386, 393588), (59711, 358488), (59748, 358266), (60552, 353509), (65598, 326316), (66456, 322103), (66642, 321204), (74124, 288782), (80301, 266568), (81579, 262392), (87464, 244737), (88856, 240903), (89622, 238844), (98397, 217544), (99963, 214136), (107068, 199926), (108772, 196794), (119422, 179244), (119496, 179133), (131196, 163158), (133284, 160602), (144391, 148248)]