21871825920

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{67807}}^1$

素因数の和:67845

約数の個数: 264

約数和(自身を含む): 86613057024

約数和(自身を除く): 64741231104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5120, 5376, 5760, 6720, 7168, 7680, 8064, 8960, 9216, 10080, 10752, 11520, 13440, 15360, 16128, 17920, 20160, 21504, 23040, 26880, 32256, 35840, 40320, 46080, 53760, 64512, 67807, 80640, 107520, 135614, 161280, 203421, 271228, 322560, 339035, 406842, 474649, 542456, 610263, 678070, 813684, 949298, 1017105, 1084912, 1220526, 1356140, 1423947, 1627368, 1898596, 2034210, 2169824, 2373245, 2441052, 2712280, 2847894, 3051315, 3254736, 3797192, 4068420, 4271841, 4339648, 4746490, 4882104, 5424560, 5695788, 6102630, 6509472, 7119735, 7594384, 8136840, 8543682, 8679296, 9492980, 9764208, 10849120, 11391576, 12205260, 13018944, 14239470, 15188768, 16273680, 17087364, 17358592, 18985960, 19528416, 21359205, 21698240, 22783152, 24410520, 26037888, 28478940, 30377536, 32547360, 34174728, 34717184, 37971920, 39056832, 42718410, 43396480, 45566304, 48821040, 52075776, 56957880, 60755072, 65094720, 68349456, 69434368, 75943840, 78113664, 85436820, 86792960, 91132608, 97642080, 104151552, 113915760, 121510144, 130189440, 136698912, 151887680, 156227328, 170873640, 173585920, 182265216, 195284160, 208303104, 227831520, 243020288, 260378880, 273397824, 303775360, 312454656, 341747280, 347171840, 364530432, 390568320, 455663040, 486040576, 520757760, 546795648, 607550720, 624909312, 683494560, 729060864, 781136640, 911326080, 1041515520, 1093591296, 1215101440, 1366989120, 1458121728, 1562273280, 1822652160, 2187182592, 2430202880, 2733978240, 3124546560, 3645304320, 4374365184, 5467956480, 7290608640, 10935912960, 21871825920]

約数ペア:

[(1, 21871825920), (2, 10935912960), (3, 7290608640), (4, 5467956480), (5, 4374365184), (6, 3645304320), (7, 3124546560), (8, 2733978240), (9, 2430202880), (10, 2187182592), (12, 1822652160), (14, 1562273280), (15, 1458121728), (16, 1366989120), (18, 1215101440), (20, 1093591296), (21, 1041515520), (24, 911326080), (28, 781136640), (30, 729060864), (32, 683494560), (35, 624909312), (36, 607550720), (40, 546795648), (42, 520757760), (45, 486040576), (48, 455663040), (56, 390568320), (60, 364530432), (63, 347171840), (64, 341747280), (70, 312454656), (72, 303775360), (80, 273397824), (84, 260378880), (90, 243020288), (96, 227831520), (105, 208303104), (112, 195284160), (120, 182265216), (126, 173585920), (128, 170873640), (140, 156227328), (144, 151887680), (160, 136698912), (168, 130189440), (180, 121510144), (192, 113915760), (210, 104151552), (224, 97642080), (240, 91132608), (252, 86792960), (256, 85436820), (280, 78113664), (288, 75943840), (315, 69434368), (320, 68349456), (336, 65094720), (360, 60755072), (384, 56957880), (420, 52075776), (448, 48821040), (480, 45566304), (504, 43396480), (512, 42718410), (560, 39056832), (576, 37971920), (630, 34717184), (640, 34174728), (672, 32547360), (720, 30377536), (768, 28478940), (840, 26037888), (896, 24410520), (960, 22783152), (1008, 21698240), (1024, 21359205), (1120, 19528416), (1152, 18985960), (1260, 17358592), (1280, 17087364), (1344, 16273680), (1440, 15188768), (1536, 14239470), (1680, 13018944), (1792, 12205260), (1920, 11391576), (2016, 10849120), (2240, 9764208), (2304, 9492980), (2520, 8679296), (2560, 8543682), (2688, 8136840), (2880, 7594384), (3072, 7119735), (3360, 6509472), (3584, 6102630), (3840, 5695788), (4032, 5424560), (4480, 4882104), (4608, 4746490), (5040, 4339648), (5120, 4271841), (5376, 4068420), (5760, 3797192), (6720, 3254736), (7168, 3051315), (7680, 2847894), (8064, 2712280), (8960, 2441052), (9216, 2373245), (10080, 2169824), (10752, 2034210), (11520, 1898596), (13440, 1627368), (15360, 1423947), (16128, 1356140), (17920, 1220526), (20160, 1084912), (21504, 1017105), (23040, 949298), (26880, 813684), (32256, 678070), (35840, 610263), (40320, 542456), (46080, 474649), (53760, 406842), (64512, 339035), (67807, 322560), (80640, 271228), (107520, 203421), (135614, 161280)]