21955155

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{34039}}^1$

素因数の和:34090

約数の個数: 16

約数和(自身を含む): 35946240

約数和(自身を除く): 13991085

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 34039, 102117, 170195, 510585, 1463677, 4391031, 7318385, 21955155]

約数ペア:

[(1, 21955155), (3, 7318385), (5, 4391031), (15, 1463677), (43, 510585), (129, 170195), (215, 102117), (645, 34039)]