21850713

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{373}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 33139392

約数和(自身を除く): 11288679

約数列:

[1, 3, 9, 23, 69, 207, 283, 373, 849, 1119, 2547, 3357, 6509, 8579, 19527, 25737, 58581, 77211, 105559, 316677, 950031, 2427857, 7283571, 21850713]

約数ペア:

[(1, 21850713), (3, 7283571), (9, 2427857), (23, 950031), (69, 316677), (207, 105559), (283, 77211), (373, 58581), (849, 25737), (1119, 19527), (2547, 8579), (3357, 6509)]