21000992127

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{3083}}^1\times {\mathrm{17333}}^1$

素因数の和:20550

約数の個数: 16

約数和(自身を含む): 28225853568

約数和(自身を除く): 7224861441

約数列:

[1, 3, 131, 393, 3083, 9249, 17333, 51999, 403873, 1211619, 2270623, 6811869, 53437639, 160312917, 7000330709, 21000992127]

約数ペア:

[(1, 21000992127), (3, 7000330709), (131, 160312917), (393, 53437639), (3083, 6811869), (9249, 2270623), (17333, 1211619), (51999, 403873)]