21066681

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 28582848

約数和(自身を除く): 7516167

約数列:

[1, 3, 101, 251, 277, 303, 753, 831, 25351, 27977, 69527, 76053, 83931, 208581, 7022227, 21066681]

約数ペア:

[(1, 21066681), (3, 7022227), (101, 208581), (251, 83931), (277, 76053), (303, 69527), (753, 27977), (831, 25351)]