21388324

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 16931804

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 593, 1186, 2372, 9017, 18034, 36068, 42103, 75311, 84206, 150622, 168412, 301244, 5347081, 10694162, 21388324]

約数ペア:

[(1, 21388324), (2, 10694162), (4, 5347081), (71, 301244), (127, 168412), (142, 150622), (254, 84206), (284, 75311), (508, 42103), (593, 36068), (1186, 18034), (2372, 9017)]