21579238

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2423}}^1$

素因数の和:2559

約数の個数: 16

約数和(自身を含む): 33363936

約数和(自身を除く): 11784698

約数列:

[1, 2, 61, 73, 122, 146, 2423, 4453, 4846, 8906, 147803, 176879, 295606, 353758, 10789619, 21579238]

約数ペア:

[(1, 21579238), (2, 10789619), (61, 353758), (73, 295606), (122, 176879), (146, 147803), (2423, 8906), (4453, 4846)]