21239456

素因数分解:

$2^5\times 7^1\times {\mathrm{94819}}^1$

素因数の和:94836

約数の個数: 24

約数和(自身を含む): 47789280

約数和(自身を除く): 26549824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94819, 189638, 379276, 663733, 758552, 1327466, 1517104, 2654932, 3034208, 5309864, 10619728, 21239456]

約数ペア:

[(1, 21239456), (2, 10619728), (4, 5309864), (7, 3034208), (8, 2654932), (14, 1517104), (16, 1327466), (28, 758552), (32, 663733), (56, 379276), (112, 189638), (224, 94819)]