21817863

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19709}}^1$

素因数の和:19759

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 11294937

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19709, 59127, 177381, 532143, 808069, 2424207, 7272621, 21817863]

約数ペア:

[(1, 21817863), (3, 7272621), (9, 2424207), (27, 808069), (41, 532143), (123, 177381), (369, 59127), (1107, 19709)]