21554386

素因数分解:

$2^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{5479}}^1$

素因数の和:5769

約数の個数: 16

約数和(自身を含む): 37088640

約数和(自身を除く): 15534254

約数列:

[1, 2, 7, 14, 281, 562, 1967, 3934, 5479, 10958, 38353, 76706, 1539599, 3079198, 10777193, 21554386]

約数ペア:

[(1, 21554386), (2, 10777193), (7, 3079198), (14, 1539599), (281, 76706), (562, 38353), (1967, 10958), (3934, 5479)]