21990810576

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{378317}}^1$

素因数の和:378508

約数の個数: 80

約数和(自身を含む): 65300713344

約数和(自身を除く): 43309902768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 173, 336, 346, 519, 692, 1038, 1211, 1384, 2076, 2422, 2768, 3633, 4152, 4844, 7266, 8304, 9688, 14532, 19376, 29064, 58128, 378317, 756634, 1134951, 1513268, 2269902, 2648219, 3026536, 4539804, 5296438, 6053072, 7944657, 9079608, 10592876, 15889314, 18159216, 21185752, 31778628, 42371504, 63557256, 65448841, 127114512, 130897682, 196346523, 261795364, 392693046, 458141887, 523590728, 785386092, 916283774, 1047181456, 1374425661, 1570772184, 1832567548, 2748851322, 3141544368, 3665135096, 5497702644, 7330270192, 10995405288, 21990810576]

約数ペア:

[(1, 21990810576), (2, 10995405288), (3, 7330270192), (4, 5497702644), (6, 3665135096), (7, 3141544368), (8, 2748851322), (12, 1832567548), (14, 1570772184), (16, 1374425661), (21, 1047181456), (24, 916283774), (28, 785386092), (42, 523590728), (48, 458141887), (56, 392693046), (84, 261795364), (112, 196346523), (168, 130897682), (173, 127114512), (336, 65448841), (346, 63557256), (519, 42371504), (692, 31778628), (1038, 21185752), (1211, 18159216), (1384, 15889314), (2076, 10592876), (2422, 9079608), (2768, 7944657), (3633, 6053072), (4152, 5296438), (4844, 4539804), (7266, 3026536), (8304, 2648219), (9688, 2269902), (14532, 1513268), (19376, 1134951), (29064, 756634), (58128, 378317)]