21000974388

素因数分解:

$2^2\times 3^1\times {\mathrm{463}}^1\times {\mathrm{3779873}}^1$

素因数の和:3780343

約数の個数: 24

約数和(自身を含む): 49108123008

約数和(自身を除く): 28107148620

約数列:

[1, 2, 3, 4, 6, 12, 463, 926, 1389, 1852, 2778, 5556, 3779873, 7559746, 11339619, 15119492, 22679238, 45358476, 1750081199, 3500162398, 5250243597, 7000324796, 10500487194, 21000974388]

約数ペア:

[(1, 21000974388), (2, 10500487194), (3, 7000324796), (4, 5250243597), (6, 3500162398), (12, 1750081199), (463, 45358476), (926, 22679238), (1389, 15119492), (1852, 11339619), (2778, 7559746), (5556, 3779873)]