Question

Câți diviziei are nr 21000

Answer 1

[tex]2400=2^5\cdot 5^2\cdot3\\ N=(5+1)(2+1)(1+1)=36[/tex][tex]21000=2^3\cdot5^3\cdot3\cdot7\\ N=(3+1)(3+1)(1+1)(1+1)=64[/tex]
se aduna fiecare exponent cu 1 si se inmultesc rezultatele

Answer 2

21.000 are 64 divizori:
1; 2; 3; 4; 5; 6; 7; 8; 10; 12; 14; 15; 20; 21; 24; 25; 28; 30; 35; 40; 42; 50; 56; 60; 70; 75; 84; 100; 105; 120; 125; 140; 150; 168; 175; 200; 210; 250; 280; 300; 350; 375; 420; 500; 525; 600; 700; 750; 840; 875; 1.000; 1.050; 1.400; 1.500; 1.750; 2.100; 2.625; 3.000; 3.500; 4.200; 5.250; 7.000; 10.500; 21.000;