21867003

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2736

約数の個数: 20

約数和(自身を含む): 32995248

約数和(自身を除く): 11128245

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2621, 2781, 7863, 8343, 23589, 70767, 212301, 269963, 809889, 2429667, 7289001, 21867003]

約数ペア:

[(1, 21867003), (3, 7289001), (9, 2429667), (27, 809889), (81, 269963), (103, 212301), (309, 70767), (927, 23589), (2621, 8343), (2781, 7863)]