21000851936

素因数分解:

$2^5\times {\mathrm{673}}^1\times {\mathrm{975151}}^1$

素因数の和:975834

約数の個数: 24

約数和(自身を含む): 41406904224

約数和(自身を除く): 20406052288

約数列:

[1, 2, 4, 8, 16, 32, 673, 1346, 2692, 5384, 10768, 21536, 975151, 1950302, 3900604, 7801208, 15602416, 31204832, 656276623, 1312553246, 2625106492, 5250212984, 10500425968, 21000851936]

約数ペア:

[(1, 21000851936), (2, 10500425968), (4, 5250212984), (8, 2625106492), (16, 1312553246), (32, 656276623), (673, 31204832), (1346, 15602416), (2692, 7801208), (5384, 3900604), (10768, 1950302), (21536, 975151)]