21567663

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{547}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 33710768

約数和(自身を除く): 12143105

約数列:

[1, 3, 9, 13, 39, 117, 337, 547, 1011, 1641, 3033, 4381, 4923, 7111, 13143, 21333, 39429, 63999, 184339, 553017, 1659051, 2396407, 7189221, 21567663]

約数ペア:

[(1, 21567663), (3, 7189221), (9, 2396407), (13, 1659051), (39, 553017), (117, 184339), (337, 63999), (547, 39429), (1011, 21333), (1641, 13143), (3033, 7111), (4381, 4923)]