21834741

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 7776267

約数列:

[1, 3, 107, 251, 271, 321, 753, 813, 26857, 28997, 68021, 80571, 86991, 204063, 7278247, 21834741]

約数ペア:

[(1, 21834741), (3, 7278247), (107, 204063), (251, 86991), (271, 80571), (321, 68021), (753, 28997), (813, 26857)]