21071032

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61253}}^1$

素因数の和:61302

約数の個数: 16

約数和(自身を含む): 40427640

約数和(自身を除く): 19356608

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 61253, 122506, 245012, 490024, 2633879, 5267758, 10535516, 21071032]

約数ペア:

[(1, 21071032), (2, 10535516), (4, 5267758), (8, 2633879), (43, 490024), (86, 245012), (172, 122506), (344, 61253)]