21946955

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 26892000

約数和(自身を除く): 4945045

約数列:

[1, 5, 89, 149, 331, 445, 745, 1655, 13261, 29459, 49319, 66305, 147295, 246595, 4389391, 21946955]

約数ペア:

[(1, 21946955), (5, 4389391), (89, 246595), (149, 147295), (331, 66305), (445, 49319), (745, 29459), (1655, 13261)]