21794674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31957}}^1$

素因数の和:32001

約数の個数: 16

約数和(自身を含む): 36815616

約数和(自身を除く): 15020942

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31957, 63914, 351527, 703054, 990667, 1981334, 10897337, 21794674]

約数ペア:

[(1, 21794674), (2, 10897337), (11, 1981334), (22, 990667), (31, 703054), (62, 351527), (341, 63914), (682, 31957)]