21610036

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16421}}^1$

素因数の和:16479

約数の個数: 24

約数和(自身を含む): 44142336

約数和(自身を除く): 22532300

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16421, 32842, 65684, 114947, 229894, 459788, 771787, 1543574, 3087148, 5402509, 10805018, 21610036]

約数ペア:

[(1, 21610036), (2, 10805018), (4, 5402509), (7, 3087148), (14, 1543574), (28, 771787), (47, 459788), (94, 229894), (188, 114947), (329, 65684), (658, 32842), (1316, 16421)]