21029456

素因数分解:

$2^4\times 7^1\times {\mathrm{187763}}^1$

素因数の和:187778

約数の個数: 20

約数和(自身を含む): 46565472

約数和(自身を除く): 25536016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187763, 375526, 751052, 1314341, 1502104, 2628682, 3004208, 5257364, 10514728, 21029456]

約数ペア:

[(1, 21029456), (2, 10514728), (4, 5257364), (7, 3004208), (8, 2628682), (14, 1502104), (16, 1314341), (28, 751052), (56, 375526), (112, 187763)]