21701817

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4813}}^1$

素因数の和:4989

約数の個数: 16

約数和(自身を含む): 32350080

約数和(自身を除く): 10648263

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4509, 4813, 14439, 43317, 129951, 803771, 2411313, 7233939, 21701817]

約数ペア:

[(1, 21701817), (3, 7233939), (9, 2411313), (27, 803771), (167, 129951), (501, 43317), (1503, 14439), (4509, 4813)]