21082653

素因数分解:

$3^3\times {\mathrm{523}}^1\times {\mathrm{1493}}^1$

素因数の和:2025

約数の個数: 16

約数和(自身を含む): 31314240

約数和(自身を除く): 10231587

約数列:

[1, 3, 9, 27, 523, 1493, 1569, 4479, 4707, 13437, 14121, 40311, 780839, 2342517, 7027551, 21082653]

約数ペア:

[(1, 21082653), (3, 7027551), (9, 2342517), (27, 780839), (523, 40311), (1493, 14121), (1569, 13437), (4479, 4707)]