21847065

素因数分解:

$3^1\times 5^1\times {\mathrm{733}}^1\times {\mathrm{1987}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 35020608

約数和(自身を除く): 13173543

約数列:

[1, 3, 5, 15, 733, 1987, 2199, 3665, 5961, 9935, 10995, 29805, 1456471, 4369413, 7282355, 21847065]

約数ペア:

[(1, 21847065), (3, 7282355), (5, 4369413), (15, 1456471), (733, 29805), (1987, 10995), (2199, 9935), (3665, 5961)]