21084564393

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{236329}}^1$

素因数の和:236789

約数の個数: 24

約数和(自身を含む): 31853502720

約数和(自身を除く): 10768938327

約数列:

[1, 3, 9, 23, 69, 207, 431, 1293, 3879, 9913, 29739, 89217, 236329, 708987, 2126961, 5435567, 16306701, 48920103, 101857799, 305573397, 916720191, 2342729377, 7028188131, 21084564393]

約数ペア:

[(1, 21084564393), (3, 7028188131), (9, 2342729377), (23, 916720191), (69, 305573397), (207, 101857799), (431, 48920103), (1293, 16306701), (3879, 5435567), (9913, 2126961), (29739, 708987), (89217, 236329)]