21143151

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{16901}}^1$

素因数の和:17046

約数の個数: 12

約数和(自身を含む): 30761640

約数和(自身を除く): 9618489

約数列:

[1, 3, 9, 139, 417, 1251, 16901, 50703, 152109, 2349239, 7047717, 21143151]

約数ペア:

[(1, 21143151), (3, 7047717), (9, 2349239), (139, 152109), (417, 50703), (1251, 16901)]