211021000412

素因数分解:

$2^2\times {\mathrm{1993}}^1\times {\mathrm{26470271}}^1$

素因数の和:26472268

約数の個数: 12

約数和(自身を含む): 369472056576

約数和(自身を除く): 158451056164

約数列:

[1, 2, 4, 1993, 3986, 7972, 26470271, 52940542, 105881084, 52755250103, 105510500206, 211021000412]

約数ペア:

[(1, 211021000412), (2, 105510500206), (4, 52755250103), (1993, 105881084), (3986, 52940542), (7972, 26470271)]