21402574

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1237}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 33069456

約数和(自身を除く): 11666882

約数列:

[1, 2, 41, 82, 211, 422, 1237, 2474, 8651, 17302, 50717, 101434, 261007, 522014, 10701287, 21402574]

約数ペア:

[(1, 21402574), (2, 10701287), (41, 522014), (82, 261007), (211, 101434), (422, 50717), (1237, 17302), (2474, 8651)]