21788897085

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{106207}}^1$

素因数の和:106362

約数の個数: 48

約数和(自身を含む): 38968989696

約数和(自身を除く): 17180092611

約数列:

[1, 3, 5, 9, 15, 45, 47, 97, 141, 235, 291, 423, 485, 705, 873, 1455, 2115, 4365, 4559, 13677, 22795, 41031, 68385, 106207, 205155, 318621, 531035, 955863, 1593105, 4779315, 4991729, 10302079, 14975187, 24958645, 30906237, 44925561, 51510395, 74875935, 92718711, 154531185, 224627805, 463593555, 484197713, 1452593139, 2420988565, 4357779417, 7262965695, 21788897085]

約数ペア:

[(1, 21788897085), (3, 7262965695), (5, 4357779417), (9, 2420988565), (15, 1452593139), (45, 484197713), (47, 463593555), (97, 224627805), (141, 154531185), (235, 92718711), (291, 74875935), (423, 51510395), (485, 44925561), (705, 30906237), (873, 24958645), (1455, 14975187), (2115, 10302079), (4365, 4991729), (4559, 4779315), (13677, 1593105), (22795, 955863), (41031, 531035), (68385, 318621), (106207, 205155)]