21767973

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3989}}^1$

素因数の和:4116

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 9258267

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3989, 5457, 11967, 67813, 203439, 426823, 1280469, 7255991, 21767973]

約数ペア:

[(1, 21767973), (3, 7255991), (17, 1280469), (51, 426823), (107, 203439), (321, 67813), (1819, 11967), (3989, 5457)]