21095439

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{8263}}^1$

素因数の和:8326

約数の個数: 16

約数和(自身を含む): 30147072

約数和(自身を除く): 9051633

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 8263, 24789, 190049, 305731, 570147, 917193, 7031813, 21095439]

約数ペア:

[(1, 21095439), (3, 7031813), (23, 917193), (37, 570147), (69, 305731), (111, 190049), (851, 24789), (2553, 8263)]