21087078

素因数分解:

$2^1\times 3^1\times {\mathrm{709}}^1\times {\mathrm{4957}}^1$

素因数の和:5671

約数の個数: 16

約数和(自身を含む): 42242160

約数和(自身を除く): 21155082

約数列:

[1, 2, 3, 6, 709, 1418, 2127, 4254, 4957, 9914, 14871, 29742, 3514513, 7029026, 10543539, 21087078]

約数ペア:

[(1, 21087078), (2, 10543539), (3, 7029026), (6, 3514513), (709, 29742), (1418, 14871), (2127, 9914), (4254, 4957)]