21068751

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{2179}}^1$

素因数の和:2486

約数の個数: 16

約数和(自身を含む): 30764160

約数和(自身を除く): 9695409

約数列:

[1, 3, 11, 33, 293, 879, 2179, 3223, 6537, 9669, 23969, 71907, 638447, 1915341, 7022917, 21068751]

約数ペア:

[(1, 21068751), (3, 7022917), (11, 1915341), (33, 638447), (293, 71907), (879, 23969), (2179, 9669), (3223, 6537)]