21477456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 240

約数和(自身を含む): 81244800

約数和(自身を除く): 59767344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 18, 21, 22, 24, 26, 28, 33, 36, 39, 42, 44, 48, 52, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 104, 112, 117, 126, 132, 143, 144, 149, 154, 156, 168, 176, 182, 198, 208, 231, 234, 252, 264, 273, 286, 298, 308, 312, 336, 364, 396, 429, 447, 462, 468, 504, 528, 546, 572, 596, 616, 624, 693, 728, 792, 819, 858, 894, 924, 936, 1001, 1008, 1043, 1092, 1144, 1192, 1232, 1287, 1341, 1386, 1456, 1584, 1638, 1639, 1716, 1788, 1848, 1872, 1937, 2002, 2086, 2184, 2288, 2384, 2574, 2682, 2772, 3003, 3129, 3276, 3278, 3432, 3576, 3696, 3874, 4004, 4172, 4368, 4917, 5148, 5364, 5544, 5811, 6006, 6258, 6552, 6556, 6864, 7152, 7748, 8008, 8344, 9009, 9387, 9834, 10296, 10728, 11088, 11473, 11622, 12012, 12516, 13104, 13112, 13559, 14751, 15496, 16016, 16688, 17433, 18018, 18774, 19668, 20592, 21307, 21456, 22946, 23244, 24024, 25032, 26224, 27118, 29502, 30992, 34419, 34866, 36036, 37548, 39336, 40677, 42614, 45892, 46488, 48048, 50064, 54236, 59004, 63921, 68838, 69732, 72072, 75096, 78672, 81354, 85228, 91784, 92976, 103257, 108472, 118008, 122031, 127842, 137676, 139464, 144144, 149149, 150192, 162708, 170456, 183568, 191763, 206514, 216944, 236016, 244062, 255684, 275352, 278928, 298298, 325416, 340912, 383526, 413028, 447447, 488124, 511368, 550704, 596596, 650832, 767052, 826056, 894894, 976248, 1022736, 1193192, 1342341, 1534104, 1652112, 1789788, 1952496, 2386384, 2684682, 3068208, 3579576, 5369364, 7159152, 10738728, 21477456]

約数ペア:

[(1, 21477456), (2, 10738728), (3, 7159152), (4, 5369364), (6, 3579576), (7, 3068208), (8, 2684682), (9, 2386384), (11, 1952496), (12, 1789788), (13, 1652112), (14, 1534104), (16, 1342341), (18, 1193192), (21, 1022736), (22, 976248), (24, 894894), (26, 826056), (28, 767052), (33, 650832), (36, 596596), (39, 550704), (42, 511368), (44, 488124), (48, 447447), (52, 413028), (56, 383526), (63, 340912), (66, 325416), (72, 298298), (77, 278928), (78, 275352), (84, 255684), (88, 244062), (91, 236016), (99, 216944), (104, 206514), (112, 191763), (117, 183568), (126, 170456), (132, 162708), (143, 150192), (144, 149149), (149, 144144), (154, 139464), (156, 137676), (168, 127842), (176, 122031), (182, 118008), (198, 108472), (208, 103257), (231, 92976), (234, 91784), (252, 85228), (264, 81354), (273, 78672), (286, 75096), (298, 72072), (308, 69732), (312, 68838), (336, 63921), (364, 59004), (396, 54236), (429, 50064), (447, 48048), (462, 46488), (468, 45892), (504, 42614), (528, 40677), (546, 39336), (572, 37548), (596, 36036), (616, 34866), (624, 34419), (693, 30992), (728, 29502), (792, 27118), (819, 26224), (858, 25032), (894, 24024), (924, 23244), (936, 22946), (1001, 21456), (1008, 21307), (1043, 20592), (1092, 19668), (1144, 18774), (1192, 18018), (1232, 17433), (1287, 16688), (1341, 16016), (1386, 15496), (1456, 14751), (1584, 13559), (1638, 13112), (1639, 13104), (1716, 12516), (1788, 12012), (1848, 11622), (1872, 11473), (1937, 11088), (2002, 10728), (2086, 10296), (2184, 9834), (2288, 9387), (2384, 9009), (2574, 8344), (2682, 8008), (2772, 7748), (3003, 7152), (3129, 6864), (3276, 6556), (3278, 6552), (3432, 6258), (3576, 6006), (3696, 5811), (3874, 5544), (4004, 5364), (4172, 5148), (4368, 4917)]