21013167

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11243}}^1$

素因数の和:11342

約数の個数: 16

約数和(自身を含む): 32382720

約数和(自身を除く): 11369553

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11243, 33729, 78701, 236103, 1000627, 3001881, 7004389, 21013167]

約数ペア:

[(1, 21013167), (3, 7004389), (7, 3001881), (21, 1000627), (89, 236103), (267, 78701), (623, 33729), (1869, 11243)]