21947255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23473}}^1$

素因数の和:23506

約数の個数: 16

約数和(自身を含む): 30422304

約数和(自身を除く): 8475049

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 23473, 117365, 258203, 399041, 1291015, 1995205, 4389451, 21947255]

約数ペア:

[(1, 21947255), (5, 4389451), (11, 1995205), (17, 1291015), (55, 399041), (85, 258203), (187, 117365), (935, 23473)]