21461845

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 26477568

約数和(自身を除く): 5015723

約数列:

[1, 5, 47, 235, 271, 337, 1355, 1685, 12737, 15839, 63685, 79195, 91327, 456635, 4292369, 21461845]

約数ペア:

[(1, 21461845), (5, 4292369), (47, 456635), (235, 91327), (271, 79195), (337, 63685), (1355, 15839), (1685, 12737)]