21055977

素因数分解:

$3^3\times {\mathrm{233}}^1\times {\mathrm{3347}}^1$

素因数の和:3589

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 10281303

約数列:

[1, 3, 9, 27, 233, 699, 2097, 3347, 6291, 10041, 30123, 90369, 779851, 2339553, 7018659, 21055977]

約数ペア:

[(1, 21055977), (3, 7018659), (9, 2339553), (27, 779851), (233, 90369), (699, 30123), (2097, 10041), (3347, 6291)]