21487866

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{50441}}^1$

素因数の和:50517

約数の個数: 16

約数和(自身を含む): 43581888

約数和(自身を除く): 22094022

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 50441, 100882, 151323, 302646, 3581311, 7162622, 10743933, 21487866]

約数ペア:

[(1, 21487866), (2, 10743933), (3, 7162622), (6, 3581311), (71, 302646), (142, 151323), (213, 100882), (426, 50441)]