21428583

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{5113}}^1$

素因数の和:5254

約数の個数: 16

約数和(自身を含む): 31420416

約数和(自身を除く): 9991833

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 5113, 15339, 56243, 168729, 649351, 1948053, 7142861, 21428583]

約数ペア:

[(1, 21428583), (3, 7142861), (11, 1948053), (33, 649351), (127, 168729), (381, 56243), (1397, 15339), (4191, 5113)]