21748995

素因数分解:

$3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1009}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 37814400

約数和(自身を除く): 16065405

約数列:

[1, 3, 5, 9, 15, 45, 479, 1009, 1437, 2395, 3027, 4311, 5045, 7185, 9081, 15135, 21555, 45405, 483311, 1449933, 2416555, 4349799, 7249665, 21748995]

約数ペア:

[(1, 21748995), (3, 7249665), (5, 4349799), (9, 2416555), (15, 1449933), (45, 483311), (479, 45405), (1009, 21555), (1437, 15135), (2395, 9081), (3027, 7185), (4311, 5045)]