21575659

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5290

約数の個数: 16

約数和(自身を含む): 26798080

約数和(自身を除く): 5222421

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5233, 36631, 99427, 162223, 695989, 1135561, 3082237, 21575659]

約数ペア:

[(1, 21575659), (7, 3082237), (19, 1135561), (31, 695989), (133, 162223), (217, 99427), (589, 36631), (4123, 5233)]