21677188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1237}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 41007512

約数和(自身を除く): 19330324

約数列:

[1, 2, 4, 13, 26, 52, 337, 674, 1237, 1348, 2474, 4381, 4948, 8762, 16081, 17524, 32162, 64324, 416869, 833738, 1667476, 5419297, 10838594, 21677188]

約数ペア:

[(1, 21677188), (2, 10838594), (4, 5419297), (13, 1667476), (26, 833738), (52, 416869), (337, 64324), (674, 32162), (1237, 17524), (1348, 16081), (2474, 8762), (4381, 4948)]