21000481238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25799117}}^1$

素因数の和:25799167

約数の個数: 16

約数和(自身を含む): 35293193424

約数和(自身を除く): 14292712186

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25799117, 51598234, 283790287, 567580574, 954567329, 1909134658, 10500240619, 21000481238]

約数ペア:

[(1, 21000481238), (2, 10500240619), (11, 1909134658), (22, 954567329), (37, 567580574), (74, 283790287), (407, 51598234), (814, 25799117)]