21065442

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81649}}^1$

素因数の和:81697

約数の個数: 16

約数和(自身を含む): 43111200

約数和(自身を除く): 22045758

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81649, 163298, 244947, 489894, 3510907, 7021814, 10532721, 21065442]

約数ペア:

[(1, 21065442), (2, 10532721), (3, 7021814), (6, 3510907), (43, 489894), (86, 244947), (129, 163298), (258, 81649)]