21836195728

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{311}}^1\times {\mathrm{16193}}^1$

素因数の和:16783

約数の個数: 40

約数和(自身を含む): 42602916096

約数和(自身を除く): 20766720368

約数列:

[1, 2, 4, 8, 16, 271, 311, 542, 622, 1084, 1244, 2168, 2488, 4336, 4976, 16193, 32386, 64772, 84281, 129544, 168562, 259088, 337124, 674248, 1348496, 4388303, 5036023, 8776606, 10072046, 17553212, 20144092, 35106424, 40288184, 70212848, 80576368, 1364762233, 2729524466, 5459048932, 10918097864, 21836195728]

約数ペア:

[(1, 21836195728), (2, 10918097864), (4, 5459048932), (8, 2729524466), (16, 1364762233), (271, 80576368), (311, 70212848), (542, 40288184), (622, 35106424), (1084, 20144092), (1244, 17553212), (2168, 10072046), (2488, 8776606), (4336, 5036023), (4976, 4388303), (16193, 1348496), (32386, 674248), (64772, 337124), (84281, 259088), (129544, 168562)]