21241629

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{5011}}^1$

素因数の和:5177

約数の個数: 16

約数和(自身を含む): 31675840

約数和(自身を除く): 10434211

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 5011, 15033, 45099, 135297, 786727, 2360181, 7080543, 21241629]

約数ペア:

[(1, 21241629), (3, 7080543), (9, 2360181), (27, 786727), (157, 135297), (471, 45099), (1413, 15033), (4239, 5011)]