21089096

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1049}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 24270904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 1049, 1436, 2098, 2513, 2872, 4196, 5026, 7343, 8392, 10052, 14686, 20104, 29372, 58744, 376591, 753182, 1506364, 2636137, 3012728, 5272274, 10544548, 21089096]

約数ペア:

[(1, 21089096), (2, 10544548), (4, 5272274), (7, 3012728), (8, 2636137), (14, 1506364), (28, 753182), (56, 376591), (359, 58744), (718, 29372), (1049, 20104), (1436, 14686), (2098, 10052), (2513, 8392), (2872, 7343), (4196, 5026)]