21758514

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^2\times {\mathrm{1291}}^1$

素因数の和:1402

約数の個数: 24

約数和(自身を含む): 44387952

約数和(自身を除く): 22629438

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 1291, 2582, 2809, 3873, 5618, 7746, 8427, 16854, 68423, 136846, 205269, 410538, 3626419, 7252838, 10879257, 21758514]

約数ペア:

[(1, 21758514), (2, 10879257), (3, 7252838), (6, 3626419), (53, 410538), (106, 205269), (159, 136846), (318, 68423), (1291, 16854), (2582, 8427), (2809, 7746), (3873, 5618)]