21077524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1021}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 39862088

約数和(自身を除く): 18784564

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1021, 1588, 2042, 4084, 5161, 10322, 13273, 20644, 26546, 53092, 405337, 810674, 1621348, 5269381, 10538762, 21077524]

約数ペア:

[(1, 21077524), (2, 10538762), (4, 5269381), (13, 1621348), (26, 810674), (52, 405337), (397, 53092), (794, 26546), (1021, 20644), (1588, 13273), (2042, 10322), (4084, 5161)]