21477797

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 24328512

約数和(自身を除く): 2850715

約数列:

[1, 11, 37, 113, 407, 467, 1243, 4181, 5137, 17279, 45991, 52771, 190069, 580481, 1952527, 21477797]

約数ペア:

[(1, 21477797), (11, 1952527), (37, 580481), (113, 190069), (407, 52771), (467, 45991), (1243, 17279), (4181, 5137)]