21167772656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42676961}}^1$

素因数の和:42677000

約数の個数: 20

約数和(自身を含む): 42335546304

約数和(自身を除く): 21167773648

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42676961, 85353922, 170707844, 341415688, 682831376, 1322985791, 2645971582, 5291943164, 10583886328, 21167772656]

約数ペア:

[(1, 21167772656), (2, 10583886328), (4, 5291943164), (8, 2645971582), (16, 1322985791), (31, 682831376), (62, 341415688), (124, 170707844), (248, 85353922), (496, 42676961)]