21529293

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3037}}^1$

素因数の和:3196

約数の個数: 16

約数和(自身を含む): 30623040

約数和(自身を除く): 9093747

約数列:

[1, 3, 17, 51, 139, 417, 2363, 3037, 7089, 9111, 51629, 154887, 422143, 1266429, 7176431, 21529293]

約数ペア:

[(1, 21529293), (3, 7176431), (17, 1266429), (51, 422143), (139, 154887), (417, 51629), (2363, 9111), (3037, 7089)]