21336945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{203209}}^1$

素因数の和:203224

約数の個数: 16

約数和(自身を含む): 39016320

約数和(自身を除く): 17679375

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 203209, 609627, 1016045, 1422463, 3048135, 4267389, 7112315, 21336945]

約数ペア:

[(1, 21336945), (3, 7112315), (5, 4267389), (7, 3048135), (15, 1422463), (21, 1016045), (35, 609627), (105, 203209)]