21058976

素因数分解:

$2^5\times {\mathrm{199}}^1\times {\mathrm{3307}}^1$

素因数の和:3516

約数の個数: 24

約数和(自身を含む): 41680800

約数和(自身を除く): 20621824

約数列:

[1, 2, 4, 8, 16, 32, 199, 398, 796, 1592, 3184, 3307, 6368, 6614, 13228, 26456, 52912, 105824, 658093, 1316186, 2632372, 5264744, 10529488, 21058976]

約数ペア:

[(1, 21058976), (2, 10529488), (4, 5264744), (8, 2632372), (16, 1316186), (32, 658093), (199, 105824), (398, 52912), (796, 26456), (1592, 13228), (3184, 6614), (3307, 6368)]