Question

Scrieti divizorii urmatoarelor numere: 72, 12, 10, 15, 21, 35, 144.

Answer 1

$D_{72}=\left\{\pm1,\pm2,\pm3,\pm4,\pm6,\pm8,\pm9,\pm12,\pm18,\pm24,\pm36,\pm72\right\}$

$D_{12}=\left\{\pm1,\pm2,\pm3,\pm4,\pm6,\pm12\right\}$

$D_{10}=\left\{\pm1,\pm2,\pm5,\pm10\right\}$

$D_{15}=\left\{\pm1,\pm3,\pm5,\pm15\right\}$

$D_{21}=\left\{\pm1,\pm3,\pm7,\pm21\right\}$

$D_{35}=\left\{\pm1,\pm5,\pm7,\pm35\right\}$

$D_{144}=\left\{\pm1,\pm2,\pm3,\pm4,\pm6,\pm8,\pm9,\pm12,\pm16,\pm18,\pm24,\pm36,\pm48,\pm72,\pm144\right\}$