21592215

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1093}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 37546080

約数和(自身を除く): 15953865

約数列:

[1, 3, 5, 9, 15, 45, 439, 1093, 1317, 2195, 3279, 3951, 5465, 6585, 9837, 16395, 19755, 49185, 479827, 1439481, 2399135, 4318443, 7197405, 21592215]

約数ペア:

[(1, 21592215), (3, 7197405), (5, 4318443), (9, 2399135), (15, 1439481), (45, 479827), (439, 49185), (1093, 19755), (1317, 16395), (2195, 9837), (3279, 6585), (3951, 5465)]