21048218

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 32071680

約数和(自身を除く): 11023462

約数列:

[1, 2, 127, 173, 254, 346, 479, 958, 21971, 43942, 60833, 82867, 121666, 165734, 10524109, 21048218]

約数ペア:

[(1, 21048218), (2, 10524109), (127, 165734), (173, 121666), (254, 82867), (346, 60833), (479, 43942), (958, 21971)]