21043694

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16889}}^1$

素因数の和:16987

約数の個数: 16

約数和(自身を含む): 36482400

約数和(自身を除く): 15438706

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16889, 33778, 118223, 236446, 1503121, 3006242, 10521847, 21043694]

約数ペア:

[(1, 21043694), (2, 10521847), (7, 3006242), (14, 1503121), (89, 236446), (178, 118223), (623, 33778), (1246, 16889)]