divisor
US /dɪˈvaɪ.zɚ/
UK /dɪˈvaɪ.zɚ/

1.
deler
a number that divides another number exactly, without leaving a remainder
:
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In the equation 12 ÷ 3 = 4, 3 is the divisor.
In de vergelijking 12 ÷ 3 = 4 is 3 de deler.
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The divisors of 10 are 1, 2, 5, and 10.
De delers van 10 zijn 1, 2, 5 en 10.