21895270

素因数分解:

$2^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4729}}^1$

素因数の和:5199

約数の個数: 16

約数和(自身を含む): 39504960

約数和(自身を除く): 17609690

約数列:

[1, 2, 5, 10, 463, 926, 2315, 4630, 4729, 9458, 23645, 47290, 2189527, 4379054, 10947635, 21895270]

約数ペア:

[(1, 21895270), (2, 10947635), (5, 4379054), (10, 2189527), (463, 47290), (926, 23645), (2315, 9458), (4630, 4729)]