21340408

素因数分解:

$2^3\times {\mathrm{479}}^1\times {\mathrm{5569}}^1$

素因数の和:6054

約数の個数: 16

約数和(自身を含む): 40104000

約数和(自身を除く): 18763592

約数列:

[1, 2, 4, 8, 479, 958, 1916, 3832, 5569, 11138, 22276, 44552, 2667551, 5335102, 10670204, 21340408]

約数ペア:

[(1, 21340408), (2, 10670204), (4, 5335102), (8, 2667551), (479, 44552), (958, 22276), (1916, 11138), (3832, 5569)]