21489291274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2203}}^1\times {\mathrm{443389}}^1$

素因数の和:445605

約数の個数: 16

約数和(自身を含む): 35180336160

約数和(自身を除く): 13691044886

約数列:

[1, 2, 11, 22, 2203, 4406, 24233, 48466, 443389, 886778, 4877279, 9754558, 976785967, 1953571934, 10744645637, 21489291274]

約数ペア:

[(1, 21489291274), (2, 10744645637), (11, 1953571934), (22, 976785967), (2203, 9754558), (4406, 4877279), (24233, 886778), (48466, 443389)]