21843809

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 2832031

約数列:

[1, 13, 31, 67, 403, 809, 871, 2077, 10517, 25079, 27001, 54203, 326027, 704639, 1680293, 21843809]

約数ペア:

[(1, 21843809), (13, 1680293), (31, 704639), (67, 326027), (403, 54203), (809, 27001), (871, 25079), (2077, 10517)]