21894521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 25463808

約数和(自身を除く): 3569287

約数列:

[1, 11, 17, 187, 191, 613, 2101, 3247, 6743, 10421, 35717, 114631, 117083, 1287913, 1990411, 21894521]

約数ペア:

[(1, 21894521), (11, 1990411), (17, 1287913), (187, 117083), (191, 114631), (613, 35717), (2101, 10421), (3247, 6743)]