21410906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5437}}^1$

素因数の和:5629

約数の個数: 16

約数和(自身を含む): 35238240

約数和(自身を除く): 13827334

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5437, 10874, 59807, 119614, 973223, 1946446, 10705453, 21410906]

約数ペア:

[(1, 21410906), (2, 10705453), (11, 1946446), (22, 973223), (179, 119614), (358, 59807), (1969, 10874), (3938, 5437)]