21819831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{16127}}^1$

素因数の和:16182

約数の個数: 16

約数和(自身を含む): 32514048

約数和(自身を除く): 10694217

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 16127, 48381, 177397, 532191, 661207, 1983621, 7273277, 21819831]

約数ペア:

[(1, 21819831), (3, 7273277), (11, 1983621), (33, 661207), (41, 532191), (123, 177397), (451, 48381), (1353, 16127)]