21927909

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4831}}^1$

素因数の和:4940

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 9383451

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4831, 14493, 82127, 246381, 429959, 1289877, 7309303, 21927909]

約数ペア:

[(1, 21927909), (3, 7309303), (17, 1289877), (51, 429959), (89, 246381), (267, 82127), (1513, 14493), (4539, 4831)]