21922569

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{3041}}^1$

素因数の和:3142

約数の個数: 20

約数和(自身を含む): 33127380

約数和(自身を除く): 11204811

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 3041, 7209, 9123, 27369, 82107, 246321, 270649, 811947, 2435841, 7307523, 21922569]

約数ペア:

[(1, 21922569), (3, 7307523), (9, 2435841), (27, 811947), (81, 270649), (89, 246321), (267, 82107), (801, 27369), (2403, 9123), (3041, 7209)]