21880722

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{84809}}^1$

素因数の和:84857

約数の個数: 16

約数和(自身を含む): 44779680

約数和(自身を除く): 22898958

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 84809, 169618, 254427, 508854, 3646787, 7293574, 10940361, 21880722]

約数ペア:

[(1, 21880722), (2, 10940361), (3, 7293574), (6, 3646787), (43, 508854), (86, 254427), (129, 169618), (258, 84809)]