21682664

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63031}}^1$

素因数の和:63080

約数の個数: 16

約数和(自身を含む): 41601120

約数和(自身を除く): 19918456

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63031, 126062, 252124, 504248, 2710333, 5420666, 10841332, 21682664]

約数ペア:

[(1, 21682664), (2, 10841332), (4, 5420666), (8, 2710333), (43, 504248), (86, 252124), (172, 126062), (344, 63031)]