21165073

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 22752576

約数和(自身を除く): 1587503

約数列:

[1, 37, 43, 53, 251, 1591, 1961, 2279, 9287, 10793, 13303, 84323, 399341, 492211, 572029, 21165073]

約数ペア:

[(1, 21165073), (37, 572029), (43, 492211), (53, 399341), (251, 84323), (1591, 13303), (1961, 10793), (2279, 9287)]