21719994

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{33211}}^1$

素因数の和:33325

約数の個数: 16

約数和(自身を含む): 43839840

約数和(自身を除く): 22119846

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 33211, 66422, 99633, 199266, 3619999, 7239998, 10859997, 21719994]

約数ペア:

[(1, 21719994), (2, 10859997), (3, 7239998), (6, 3619999), (109, 199266), (218, 99633), (327, 66422), (654, 33211)]