21020768

素因数分解:

$2^5\times {\mathrm{199}}^1\times {\mathrm{3301}}^1$

素因数の和:3510

約数の個数: 24

約数和(自身を含む): 41605200

約数和(自身を除く): 20584432

約数列:

[1, 2, 4, 8, 16, 32, 199, 398, 796, 1592, 3184, 3301, 6368, 6602, 13204, 26408, 52816, 105632, 656899, 1313798, 2627596, 5255192, 10510384, 21020768]

約数ペア:

[(1, 21020768), (2, 10510384), (4, 5255192), (8, 2627596), (16, 1313798), (32, 656899), (199, 105632), (398, 52816), (796, 26408), (1592, 13204), (3184, 6602), (3301, 6368)]