21015842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10133}}^1$

素因数の和:10213

約数の個数: 16

約数和(自身を含む): 33928632

約数和(自身を除く): 12912790

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 10133, 20266, 172261, 344522, 618113, 1236226, 10507921, 21015842]

約数ペア:

[(1, 21015842), (2, 10507921), (17, 1236226), (34, 618113), (61, 344522), (122, 172261), (1037, 20266), (2074, 10133)]