21565152

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 144

約数和(自身を含む): 73906560

約数和(自身を除く): 52341408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 399, 456, 504, 532, 563, 608, 672, 684, 798, 912, 1008, 1064, 1126, 1197, 1368, 1596, 1689, 1824, 2016, 2128, 2252, 2394, 2736, 3192, 3378, 3941, 4256, 4504, 4788, 5067, 5472, 6384, 6756, 7882, 9008, 9576, 10134, 10697, 11823, 12768, 13512, 15764, 18016, 19152, 20268, 21394, 23646, 27024, 31528, 32091, 35469, 38304, 40536, 42788, 47292, 54048, 63056, 64182, 70938, 74879, 81072, 85576, 94584, 96273, 126112, 128364, 141876, 149758, 162144, 171152, 189168, 192546, 224637, 256728, 283752, 299516, 342304, 378336, 385092, 449274, 513456, 567504, 599032, 673911, 770184, 898548, 1026912, 1135008, 1198064, 1347822, 1540368, 1797096, 2396128, 2695644, 3080736, 3594192, 5391288, 7188384, 10782576, 21565152]

約数ペア:

[(1, 21565152), (2, 10782576), (3, 7188384), (4, 5391288), (6, 3594192), (7, 3080736), (8, 2695644), (9, 2396128), (12, 1797096), (14, 1540368), (16, 1347822), (18, 1198064), (19, 1135008), (21, 1026912), (24, 898548), (28, 770184), (32, 673911), (36, 599032), (38, 567504), (42, 513456), (48, 449274), (56, 385092), (57, 378336), (63, 342304), (72, 299516), (76, 283752), (84, 256728), (96, 224637), (112, 192546), (114, 189168), (126, 171152), (133, 162144), (144, 149758), (152, 141876), (168, 128364), (171, 126112), (224, 96273), (228, 94584), (252, 85576), (266, 81072), (288, 74879), (304, 70938), (336, 64182), (342, 63056), (399, 54048), (456, 47292), (504, 42788), (532, 40536), (563, 38304), (608, 35469), (672, 32091), (684, 31528), (798, 27024), (912, 23646), (1008, 21394), (1064, 20268), (1126, 19152), (1197, 18016), (1368, 15764), (1596, 13512), (1689, 12768), (1824, 11823), (2016, 10697), (2128, 10134), (2252, 9576), (2394, 9008), (2736, 7882), (3192, 6756), (3378, 6384), (3941, 5472), (4256, 5067), (4504, 4788)]