21125876800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18313}}^1$

素因数の和:18445

約数の個数: 168

約数和(自身を含む): 59989045376

約数和(自身を除く): 38863168576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 103, 112, 140, 160, 175, 200, 206, 224, 280, 320, 350, 400, 412, 448, 515, 560, 700, 721, 800, 824, 1030, 1120, 1400, 1442, 1600, 1648, 2060, 2240, 2575, 2800, 2884, 3296, 3605, 4120, 5150, 5600, 5768, 6592, 7210, 8240, 10300, 11200, 11536, 14420, 16480, 18025, 18313, 20600, 23072, 28840, 32960, 36050, 36626, 41200, 46144, 57680, 72100, 73252, 82400, 91565, 115360, 128191, 144200, 146504, 164800, 183130, 230720, 256382, 288400, 293008, 366260, 457825, 512764, 576800, 586016, 640955, 732520, 915650, 1025528, 1153600, 1172032, 1281910, 1465040, 1831300, 1886239, 2051056, 2563820, 2930080, 3204775, 3662600, 3772478, 4102112, 5127640, 5860160, 6409550, 7325200, 7544956, 8204224, 9431195, 10255280, 12819100, 13203673, 14650400, 15089912, 18862390, 20510560, 25638200, 26407346, 29300800, 30179824, 37724780, 41021120, 47155975, 51276400, 52814692, 60359648, 66018365, 75449560, 94311950, 102552800, 105629384, 120719296, 132036730, 150899120, 188623900, 205105600, 211258768, 264073460, 301798240, 330091825, 377247800, 422517536, 528146920, 603596480, 660183650, 754495600, 845035072, 1056293840, 1320367300, 1508991200, 2112587680, 2640734600, 3017982400, 4225175360, 5281469200, 10562938400, 21125876800]

約数ペア:

[(1, 21125876800), (2, 10562938400), (4, 5281469200), (5, 4225175360), (7, 3017982400), (8, 2640734600), (10, 2112587680), (14, 1508991200), (16, 1320367300), (20, 1056293840), (25, 845035072), (28, 754495600), (32, 660183650), (35, 603596480), (40, 528146920), (50, 422517536), (56, 377247800), (64, 330091825), (70, 301798240), (80, 264073460), (100, 211258768), (103, 205105600), (112, 188623900), (140, 150899120), (160, 132036730), (175, 120719296), (200, 105629384), (206, 102552800), (224, 94311950), (280, 75449560), (320, 66018365), (350, 60359648), (400, 52814692), (412, 51276400), (448, 47155975), (515, 41021120), (560, 37724780), (700, 30179824), (721, 29300800), (800, 26407346), (824, 25638200), (1030, 20510560), (1120, 18862390), (1400, 15089912), (1442, 14650400), (1600, 13203673), (1648, 12819100), (2060, 10255280), (2240, 9431195), (2575, 8204224), (2800, 7544956), (2884, 7325200), (3296, 6409550), (3605, 5860160), (4120, 5127640), (5150, 4102112), (5600, 3772478), (5768, 3662600), (6592, 3204775), (7210, 2930080), (8240, 2563820), (10300, 2051056), (11200, 1886239), (11536, 1831300), (14420, 1465040), (16480, 1281910), (18025, 1172032), (18313, 1153600), (20600, 1025528), (23072, 915650), (28840, 732520), (32960, 640955), (36050, 586016), (36626, 576800), (41200, 512764), (46144, 457825), (57680, 366260), (72100, 293008), (73252, 288400), (82400, 256382), (91565, 230720), (115360, 183130), (128191, 164800), (144200, 146504)]