21919059

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 24

約数和(自身を含む): 33430320

約数和(自身を除く): 11511261

約数列:

[1, 3, 9, 27, 37, 111, 333, 593, 999, 1369, 1779, 4107, 5337, 12321, 16011, 21941, 36963, 65823, 197469, 592407, 811817, 2435451, 7306353, 21919059]

約数ペア:

[(1, 21919059), (3, 7306353), (9, 2435451), (27, 811817), (37, 592407), (111, 197469), (333, 65823), (593, 36963), (999, 21941), (1369, 16011), (1779, 12321), (4107, 5337)]