21000391754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4714951}}^1$

素因数の和:4715101

約数の個数: 16

約数和(自身を含む): 33608177856

約数和(自身を除く): 12607786102

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4714951, 9429902, 80154167, 160308334, 617658581, 1235317162, 10500195877, 21000391754]

約数ペア:

[(1, 21000391754), (2, 10500195877), (17, 1235317162), (34, 617658581), (131, 160308334), (262, 80154167), (2227, 9429902), (4454, 4714951)]