21541734

素因数分解:

$2^1\times 3^3\times {\mathrm{398921}}^1$

素因数の和:398932

約数の個数: 16

約数和(自身を含む): 47870640

約数和(自身を除く): 26328906

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 398921, 797842, 1196763, 2393526, 3590289, 7180578, 10770867, 21541734]

約数ペア:

[(1, 21541734), (2, 10770867), (3, 7180578), (6, 3590289), (9, 2393526), (18, 1196763), (27, 797842), (54, 398921)]