21990666

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{50207}}^1$

素因数の和:50285

約数の個数: 16

約数和(自身を含む): 44584704

約数和(自身を除く): 22594038

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 50207, 100414, 150621, 301242, 3665111, 7330222, 10995333, 21990666]

約数ペア:

[(1, 21990666), (2, 10995333), (3, 7330222), (6, 3665111), (73, 301242), (146, 150621), (219, 100414), (438, 50207)]