21378870912

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{3701}}^1$

素因数の和:4039

約数の個数: 192

約数和(自身を含む): 66292158240

約数和(自身を除く): 44913287328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 307, 336, 384, 392, 448, 588, 614, 672, 784, 896, 921, 1176, 1228, 1344, 1568, 1842, 2149, 2352, 2456, 2688, 3136, 3684, 3701, 4298, 4704, 4912, 6272, 6447, 7368, 7402, 8596, 9408, 9824, 11103, 12894, 14736, 14804, 15043, 17192, 18816, 19648, 22206, 25788, 25907, 29472, 29608, 30086, 34384, 39296, 44412, 45129, 51576, 51814, 58944, 59216, 60172, 68768, 77721, 88824, 90258, 103152, 103628, 117888, 118432, 120344, 137536, 155442, 177648, 180516, 181349, 206304, 207256, 236864, 240688, 275072, 310884, 355296, 361032, 362698, 412608, 414512, 473728, 481376, 544047, 621768, 710592, 722064, 725396, 825216, 829024, 962752, 1088094, 1136207, 1243536, 1421184, 1444128, 1450792, 1658048, 1925504, 2176188, 2272414, 2487072, 2888256, 2901584, 3316096, 3408621, 4352376, 4544828, 4974144, 5776512, 5803168, 6817242, 7953449, 8704752, 9089656, 9948288, 11606336, 13634484, 15906898, 17409504, 18179312, 23212672, 23860347, 27268968, 31813796, 34819008, 36358624, 47720694, 54537936, 55674143, 63627592, 69638016, 72717248, 95441388, 109075872, 111348286, 127255184, 145434496, 167022429, 190882776, 218151744, 222696572, 254510368, 334044858, 381765552, 436303488, 445393144, 509020736, 668089716, 763531104, 890786288, 1018041472, 1336179432, 1527062208, 1781572576, 2672358864, 3054124416, 3563145152, 5344717728, 7126290304, 10689435456, 21378870912]

約数ペア:

[(1, 21378870912), (2, 10689435456), (3, 7126290304), (4, 5344717728), (6, 3563145152), (7, 3054124416), (8, 2672358864), (12, 1781572576), (14, 1527062208), (16, 1336179432), (21, 1018041472), (24, 890786288), (28, 763531104), (32, 668089716), (42, 509020736), (48, 445393144), (49, 436303488), (56, 381765552), (64, 334044858), (84, 254510368), (96, 222696572), (98, 218151744), (112, 190882776), (128, 167022429), (147, 145434496), (168, 127255184), (192, 111348286), (196, 109075872), (224, 95441388), (294, 72717248), (307, 69638016), (336, 63627592), (384, 55674143), (392, 54537936), (448, 47720694), (588, 36358624), (614, 34819008), (672, 31813796), (784, 27268968), (896, 23860347), (921, 23212672), (1176, 18179312), (1228, 17409504), (1344, 15906898), (1568, 13634484), (1842, 11606336), (2149, 9948288), (2352, 9089656), (2456, 8704752), (2688, 7953449), (3136, 6817242), (3684, 5803168), (3701, 5776512), (4298, 4974144), (4704, 4544828), (4912, 4352376), (6272, 3408621), (6447, 3316096), (7368, 2901584), (7402, 2888256), (8596, 2487072), (9408, 2272414), (9824, 2176188), (11103, 1925504), (12894, 1658048), (14736, 1450792), (14804, 1444128), (15043, 1421184), (17192, 1243536), (18816, 1136207), (19648, 1088094), (22206, 962752), (25788, 829024), (25907, 825216), (29472, 725396), (29608, 722064), (30086, 710592), (34384, 621768), (39296, 544047), (44412, 481376), (45129, 473728), (51576, 414512), (51814, 412608), (58944, 362698), (59216, 361032), (60172, 355296), (68768, 310884), (77721, 275072), (88824, 240688), (90258, 236864), (103152, 207256), (103628, 206304), (117888, 181349), (118432, 180516), (120344, 177648), (137536, 155442)]