21847836

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25643}}^1$

素因数の和:25721

約数の個数: 24

約数和(自身を含む): 51698304

約数和(自身を除く): 29850468

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25643, 51286, 76929, 102572, 153858, 307716, 1820653, 3641306, 5461959, 7282612, 10923918, 21847836]

約数ペア:

[(1, 21847836), (2, 10923918), (3, 7282612), (4, 5461959), (6, 3641306), (12, 1820653), (71, 307716), (142, 153858), (213, 102572), (284, 76929), (426, 51286), (852, 25643)]