21342018

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82721}}^1$

素因数の和:82769

約数の個数: 16

約数和(自身を含む): 43677216

約数和(自身を除く): 22335198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82721, 165442, 248163, 496326, 3557003, 7114006, 10671009, 21342018]

約数ペア:

[(1, 21342018), (2, 10671009), (3, 7114006), (6, 3557003), (43, 496326), (86, 248163), (129, 165442), (258, 82721)]