21000337389

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{1301}}^1\times {\mathrm{13691}}^1$

素因数の和:15129

約数の個数: 24

約数和(自身を含む): 30591104544

約数和(自身を除く): 9590767155

約数列:

[1, 3, 9, 131, 393, 1179, 1301, 3903, 11709, 13691, 41073, 123219, 170431, 511293, 1533879, 1793521, 5380563, 16141689, 17811991, 53435973, 160307919, 2333370821, 7000112463, 21000337389]

約数ペア:

[(1, 21000337389), (3, 7000112463), (9, 2333370821), (131, 160307919), (393, 53435973), (1179, 17811991), (1301, 16141689), (3903, 5380563), (11709, 1793521), (13691, 1533879), (41073, 511293), (123219, 170431)]