21058456

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 40519440

約数和(自身を除く): 19460984

約数列:

[1, 2, 4, 8, 73, 107, 146, 214, 292, 337, 428, 584, 674, 856, 1348, 2696, 7811, 15622, 24601, 31244, 36059, 49202, 62488, 72118, 98404, 144236, 196808, 288472, 2632307, 5264614, 10529228, 21058456]

約数ペア:

[(1, 21058456), (2, 10529228), (4, 5264614), (8, 2632307), (73, 288472), (107, 196808), (146, 144236), (214, 98404), (292, 72118), (337, 62488), (428, 49202), (584, 36059), (674, 31244), (856, 24601), (1348, 15622), (2696, 7811)]