21742828

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 39472272

約数和(自身を除く): 17729444

約数列:

[1, 2, 4, 37, 74, 107, 148, 214, 428, 1373, 2746, 3959, 5492, 7918, 15836, 50801, 101602, 146911, 203204, 293822, 587644, 5435707, 10871414, 21742828]

約数ペア:

[(1, 21742828), (2, 10871414), (4, 5435707), (37, 587644), (74, 293822), (107, 203204), (148, 146911), (214, 101602), (428, 50801), (1373, 15836), (2746, 7918), (3959, 5492)]