21096440

素因数分解:

$2^3\times 5^1\times {\mathrm{527411}}^1$

素因数の和:527422

約数の個数: 16

約数和(自身を含む): 47467080

約数和(自身を除く): 26370640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527411, 1054822, 2109644, 2637055, 4219288, 5274110, 10548220, 21096440]

約数ペア:

[(1, 21096440), (2, 10548220), (4, 5274110), (5, 4219288), (8, 2637055), (10, 2109644), (20, 1054822), (40, 527411)]