21139266

素因数分解:

$2^1\times 3^1\times {\mathrm{1151}}^1\times {\mathrm{3061}}^1$

素因数の和:4217

約数の個数: 16

約数和(自身を含む): 42329088

約数和(自身を除く): 21189822

約数列:

[1, 2, 3, 6, 1151, 2302, 3061, 3453, 6122, 6906, 9183, 18366, 3523211, 7046422, 10569633, 21139266]

約数ペア:

[(1, 21139266), (2, 10569633), (3, 7046422), (6, 3523211), (1151, 18366), (2302, 9183), (3061, 6906), (3453, 6122)]