21068799

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{547}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 28987008

約数和(自身を除く): 7918209

約数列:

[1, 3, 37, 111, 347, 547, 1041, 1641, 12839, 20239, 38517, 60717, 189809, 569427, 7022933, 21068799]

約数ペア:

[(1, 21068799), (3, 7022933), (37, 569427), (111, 189809), (347, 60717), (547, 38517), (1041, 20239), (1641, 12839)]