21183477

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23459}}^1$

素因数の和:23512

約数の個数: 16

約数和(自身を含む): 33031680

約数和(自身を除く): 11848203

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 23459, 70377, 164213, 492639, 1008737, 3026211, 7061159, 21183477]

約数ペア:

[(1, 21183477), (3, 7061159), (7, 3026211), (21, 1008737), (43, 492639), (129, 164213), (301, 70377), (903, 23459)]