21259168

素因数分解:

$2^5\times 7^1\times {\mathrm{94907}}^1$

素因数の和:94924

約数の個数: 24

約数和(自身を含む): 47833632

約数和(自身を除く): 26574464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94907, 189814, 379628, 664349, 759256, 1328698, 1518512, 2657396, 3037024, 5314792, 10629584, 21259168]

約数ペア:

[(1, 21259168), (2, 10629584), (4, 5314792), (7, 3037024), (8, 2657396), (14, 1518512), (16, 1328698), (28, 759256), (32, 664349), (56, 379628), (112, 189814), (224, 94907)]