21568792

素因数分解:

$2^3\times 7^1\times {\mathrm{599}}^1\times {\mathrm{643}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 24799208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 599, 643, 1198, 1286, 2396, 2572, 4193, 4501, 4792, 5144, 8386, 9002, 16772, 18004, 33544, 36008, 385157, 770314, 1540628, 2696099, 3081256, 5392198, 10784396, 21568792]

約数ペア:

[(1, 21568792), (2, 10784396), (4, 5392198), (7, 3081256), (8, 2696099), (14, 1540628), (28, 770314), (56, 385157), (599, 36008), (643, 33544), (1198, 18004), (1286, 16772), (2396, 9002), (2572, 8386), (4193, 5144), (4501, 4792)]