21234416

素因数分解:

$2^4\times 7^1\times {\mathrm{189593}}^1$

素因数の和:189608

約数の個数: 20

約数和(自身を含む): 47019312

約数和(自身を除く): 25784896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189593, 379186, 758372, 1327151, 1516744, 2654302, 3033488, 5308604, 10617208, 21234416]

約数ペア:

[(1, 21234416), (2, 10617208), (4, 5308604), (7, 3033488), (8, 2654302), (14, 1516744), (16, 1327151), (28, 758372), (56, 379186), (112, 189593)]