21606642

素因数分解:

$2^1\times 3^3\times {\mathrm{400123}}^1$

素因数の和:400134

約数の個数: 16

約数和(自身を含む): 48014880

約数和(自身を除く): 26408238

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 400123, 800246, 1200369, 2400738, 3601107, 7202214, 10803321, 21606642]

約数ペア:

[(1, 21606642), (2, 10803321), (3, 7202214), (6, 3601107), (9, 2400738), (18, 1200369), (27, 800246), (54, 400123)]