21470548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1559}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 41146560

約数和(自身を除く): 19676012

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 1559, 3118, 3443, 6236, 6886, 13772, 17149, 34298, 68596, 487967, 975934, 1951868, 5367637, 10735274, 21470548]

約数ペア:

[(1, 21470548), (2, 10735274), (4, 5367637), (11, 1951868), (22, 975934), (44, 487967), (313, 68596), (626, 34298), (1252, 17149), (1559, 13772), (3118, 6886), (3443, 6236)]