21729726

素因数分解:

$2^1\times 3^2\times {\mathrm{887}}^1\times {\mathrm{1361}}^1$

素因数の和:2256

約数の個数: 24

約数和(自身を含む): 47168784

約数和(自身を除く): 25439058

約数列:

[1, 2, 3, 6, 9, 18, 887, 1361, 1774, 2661, 2722, 4083, 5322, 7983, 8166, 12249, 15966, 24498, 1207207, 2414414, 3621621, 7243242, 10864863, 21729726]

約数ペア:

[(1, 21729726), (2, 10864863), (3, 7243242), (6, 3621621), (9, 2414414), (18, 1207207), (887, 24498), (1361, 15966), (1774, 12249), (2661, 8166), (2722, 7983), (4083, 5322)]