21543471

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 33218640

約数和(自身を除く): 11675169

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 1013, 1251, 2363, 3039, 7089, 9117, 17221, 21267, 51663, 140807, 154989, 422421, 1267263, 2393719, 7181157, 21543471]

約数ペア:

[(1, 21543471), (3, 7181157), (9, 2393719), (17, 1267263), (51, 422421), (139, 154989), (153, 140807), (417, 51663), (1013, 21267), (1251, 17221), (2363, 9117), (3039, 7089)]