21870343

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 2950649

約数列:

[1, 11, 41, 71, 451, 683, 781, 2911, 7513, 28003, 32021, 48493, 308033, 533423, 1988213, 21870343]

約数ペア:

[(1, 21870343), (11, 1988213), (41, 533423), (71, 308033), (451, 48493), (683, 32021), (781, 28003), (2911, 7513)]