21055089

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5273}}^1$

素因数の和:5309

約数の個数: 16

約数和(自身を含む): 30884544

約数和(自身を除く): 9829455

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5273, 15819, 58003, 174009, 638033, 1914099, 7018363, 21055089]

約数ペア:

[(1, 21055089), (3, 7018363), (11, 1914099), (33, 638033), (121, 174009), (363, 58003), (1331, 15819), (3993, 5273)]