21000455524

素因数分解:

$2^2\times {\mathrm{5527}}^1\times {\mathrm{949903}}^1$

素因数の和:955434

約数の個数: 12

約数和(自身を含む): 36757485184

約数和(自身を除く): 15757029660

約数列:

[1, 2, 4, 5527, 11054, 22108, 949903, 1899806, 3799612, 5250113881, 10500227762, 21000455524]

約数ペア:

[(1, 21000455524), (2, 10500227762), (4, 5250113881), (5527, 3799612), (11054, 1899806), (22108, 949903)]