21274041

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 29346624

約数和(自身を除く): 8072583

約数列:

[1, 3, 53, 67, 159, 201, 1997, 3551, 5991, 10653, 105841, 133799, 317523, 401397, 7091347, 21274041]

約数ペア:

[(1, 21274041), (3, 7091347), (53, 401397), (67, 317523), (159, 133799), (201, 105841), (1997, 10653), (3551, 5991)]