21228018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505429}}^1$

素因数の和:505441

約数の個数: 16

約数和(自身を含む): 48521280

約数和(自身を除く): 27293262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505429, 1010858, 1516287, 3032574, 3538003, 7076006, 10614009, 21228018]

約数ペア:

[(1, 21228018), (2, 10614009), (3, 7076006), (6, 3538003), (7, 3032574), (14, 1516287), (21, 1010858), (42, 505429)]