21170049

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2749}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 30096000

約数和(自身を除く): 8925951

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2749, 7701, 8247, 46733, 140199, 415099, 1245297, 7056683, 21170049]

約数ペア:

[(1, 21170049), (3, 7056683), (17, 1245297), (51, 415099), (151, 140199), (453, 46733), (2567, 8247), (2749, 7701)]