21604048

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32933}}^1$

素因数の和:32982

約数の個数: 20

約数和(自身を含む): 42880068

約数和(自身を除く): 21276020

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32933, 65866, 131732, 263464, 526928, 1350253, 2700506, 5401012, 10802024, 21604048]

約数ペア:

[(1, 21604048), (2, 10802024), (4, 5401012), (8, 2700506), (16, 1350253), (41, 526928), (82, 263464), (164, 131732), (328, 65866), (656, 32933)]