21480134

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19213}}^1$

素因数の和:19271

約数の個数: 16

約数和(自身を含む): 35507472

約数和(自身を除く): 14027338

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 19213, 38426, 249769, 499538, 826159, 1652318, 10740067, 21480134]

約数ペア:

[(1, 21480134), (2, 10740067), (13, 1652318), (26, 826159), (43, 499538), (86, 249769), (559, 38426), (1118, 19213)]