21927579

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 31401552

約数和(自身を除く): 9473973

約数列:

[1, 3, 23, 41, 69, 123, 337, 529, 943, 1011, 1587, 2829, 7751, 13817, 21689, 23253, 41451, 65067, 178273, 317791, 534819, 953373, 7309193, 21927579]

約数ペア:

[(1, 21927579), (3, 7309193), (23, 953373), (41, 534819), (69, 317791), (123, 178273), (337, 65067), (529, 41451), (943, 23253), (1011, 21689), (1587, 13817), (2829, 7751)]