21927367

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1277}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 27482112

約数和(自身を除く): 5554745

約数列:

[1, 7, 11, 77, 223, 1277, 1561, 2453, 8939, 14047, 17171, 98329, 284771, 1993397, 3132481, 21927367]

約数ペア:

[(1, 21927367), (7, 3132481), (11, 1993397), (77, 284771), (223, 98329), (1277, 17171), (1561, 14047), (2453, 8939)]