21000775068

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10631}}^1$

素因数の和:10734

約数の個数: 240

約数和(自身を含む): 68584395264

約数和(自身を除く): 47583620196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 67, 78, 81, 84, 91, 108, 117, 126, 134, 156, 162, 182, 189, 201, 234, 252, 268, 273, 324, 351, 364, 378, 402, 468, 469, 546, 567, 603, 702, 756, 804, 819, 871, 938, 1053, 1092, 1134, 1206, 1404, 1407, 1638, 1742, 1809, 1876, 2106, 2268, 2412, 2457, 2613, 2814, 3276, 3484, 3618, 4212, 4221, 4914, 5226, 5427, 5628, 6097, 7236, 7371, 7839, 8442, 9828, 10452, 10631, 10854, 12194, 12663, 14742, 15678, 16884, 18291, 21262, 21708, 23517, 24388, 25326, 29484, 31356, 31893, 36582, 37989, 42524, 47034, 50652, 54873, 63786, 70551, 73164, 74417, 75978, 94068, 95679, 109746, 127572, 138203, 141102, 148834, 151956, 164619, 191358, 219492, 223251, 276406, 282204, 287037, 297668, 329238, 382716, 414609, 446502, 493857, 552812, 574074, 658476, 669753, 712277, 829218, 861111, 893004, 967421, 987714, 1148148, 1243827, 1339506, 1424554, 1658436, 1722222, 1934842, 1975428, 2009259, 2136831, 2487654, 2679012, 2849108, 2902263, 3444444, 3731481, 3869684, 4018518, 4273662, 4975308, 4985939, 5804526, 6027777, 6410493, 7462962, 8037036, 8547324, 8706789, 9259601, 9971878, 11194443, 11609052, 12055554, 12820986, 14925924, 14957817, 17413578, 18519202, 19231479, 19943756, 22388886, 24111108, 25641972, 26120367, 27778803, 29915634, 34827156, 37038404, 38462958, 44777772, 44873451, 52240734, 55557606, 57694437, 59831268, 64817207, 76925916, 78361101, 83336409, 89746902, 104481468, 111115212, 115388874, 129634414, 134620353, 156722202, 166672818, 179493804, 194451621, 230777748, 250009227, 259268828, 269240706, 313444404, 333345636, 388903242, 403861059, 500018454, 538481412, 583354863, 750027681, 777806484, 807722118, 1000036908, 1166709726, 1500055362, 1615444236, 1750064589, 2333419452, 3000110724, 3500129178, 5250193767, 7000258356, 10500387534, 21000775068]

約数ペア:

[(1, 21000775068), (2, 10500387534), (3, 7000258356), (4, 5250193767), (6, 3500129178), (7, 3000110724), (9, 2333419452), (12, 1750064589), (13, 1615444236), (14, 1500055362), (18, 1166709726), (21, 1000036908), (26, 807722118), (27, 777806484), (28, 750027681), (36, 583354863), (39, 538481412), (42, 500018454), (52, 403861059), (54, 388903242), (63, 333345636), (67, 313444404), (78, 269240706), (81, 259268828), (84, 250009227), (91, 230777748), (108, 194451621), (117, 179493804), (126, 166672818), (134, 156722202), (156, 134620353), (162, 129634414), (182, 115388874), (189, 111115212), (201, 104481468), (234, 89746902), (252, 83336409), (268, 78361101), (273, 76925916), (324, 64817207), (351, 59831268), (364, 57694437), (378, 55557606), (402, 52240734), (468, 44873451), (469, 44777772), (546, 38462958), (567, 37038404), (603, 34827156), (702, 29915634), (756, 27778803), (804, 26120367), (819, 25641972), (871, 24111108), (938, 22388886), (1053, 19943756), (1092, 19231479), (1134, 18519202), (1206, 17413578), (1404, 14957817), (1407, 14925924), (1638, 12820986), (1742, 12055554), (1809, 11609052), (1876, 11194443), (2106, 9971878), (2268, 9259601), (2412, 8706789), (2457, 8547324), (2613, 8037036), (2814, 7462962), (3276, 6410493), (3484, 6027777), (3618, 5804526), (4212, 4985939), (4221, 4975308), (4914, 4273662), (5226, 4018518), (5427, 3869684), (5628, 3731481), (6097, 3444444), (7236, 2902263), (7371, 2849108), (7839, 2679012), (8442, 2487654), (9828, 2136831), (10452, 2009259), (10631, 1975428), (10854, 1934842), (12194, 1722222), (12663, 1658436), (14742, 1424554), (15678, 1339506), (16884, 1243827), (18291, 1148148), (21262, 987714), (21708, 967421), (23517, 893004), (24388, 861111), (25326, 829218), (29484, 712277), (31356, 669753), (31893, 658476), (36582, 574074), (37989, 552812), (42524, 493857), (47034, 446502), (50652, 414609), (54873, 382716), (63786, 329238), (70551, 297668), (73164, 287037), (74417, 282204), (75978, 276406), (94068, 223251), (95679, 219492), (109746, 191358), (127572, 164619), (138203, 151956), (141102, 148834)]