21418562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10939}}^1$

素因数の和:11041

約数の個数: 16

約数和(自身を含む): 35445600

約数和(自身を除く): 14027038

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10939, 21878, 120329, 240658, 973571, 1947142, 10709281, 21418562]

約数ペア:

[(1, 21418562), (2, 10709281), (11, 1947142), (22, 973571), (89, 240658), (178, 120329), (979, 21878), (1958, 10939)]