21193023

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4094

約数の個数: 16

約数和(自身を含む): 29627136

約数和(自身を除く): 8434113

約数列:

[1, 3, 41, 43, 123, 129, 1763, 4007, 5289, 12021, 164287, 172301, 492861, 516903, 7064341, 21193023]

約数ペア:

[(1, 21193023), (3, 7064341), (41, 516903), (43, 492861), (123, 172301), (129, 164287), (1763, 12021), (4007, 5289)]