21328285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22811}}^1$

素因数の和:22844

約数の個数: 16

約数和(自身を含む): 29564352

約数和(自身を除く): 8236067

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22811, 114055, 250921, 387787, 1254605, 1938935, 4265657, 21328285]

約数ペア:

[(1, 21328285), (5, 4265657), (11, 1938935), (17, 1254605), (55, 387787), (85, 250921), (187, 114055), (935, 22811)]