The number of ways in which 4032 can be resolved as the product of two factors is
21
No. of factors of 4032 = 7 x 2 x 3 = 42.
Since 4032 is not a perfect square, it can be written as a product of two distinct numbers 21 times.
The pairs of numbers will be - (1,4032), (2,2016), (3,1344), (4,1008), (6,672), (7,576), (8,504), (9,447), (12,336), (14,288), (16,252), (18,224), (21,194), (24,168), (28,144), (32,126), (36,112), (42,96), (48,84), (56,72), (63,64).