21112077

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5209}}^1$

素因数の和:5412

約数の個数: 16

約数和(自身を含む): 32343680

約数和(自身を除く): 11231603

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 5209, 15627, 36463, 109389, 1005337, 3016011, 7037359, 21112077]

約数ペア:

[(1, 21112077), (3, 7037359), (7, 3016011), (21, 1005337), (193, 109389), (579, 36463), (1351, 15627), (4053, 5209)]