21712082

素因数分解:

$2^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1381}}^1$

素因数の和:2513

約数の個数: 16

約数和(自身を含む): 37280832

約数和(自身を除く): 15568750

約数列:

[1, 2, 7, 14, 1123, 1381, 2246, 2762, 7861, 9667, 15722, 19334, 1550863, 3101726, 10856041, 21712082]

約数ペア:

[(1, 21712082), (2, 10856041), (7, 3101726), (14, 1550863), (1123, 19334), (1381, 15722), (2246, 9667), (2762, 7861)]