21752760491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4631203}}^1$

素因数の和:4631282

約数の個数: 16

約数和(自身を含む): 27564926208

約数和(自身を除く): 5812165717

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 4631203, 32418421, 50943233, 282503383, 356602631, 1977523681, 3107537213, 21752760491]

約数ペア:

[(1, 21752760491), (7, 3107537213), (11, 1977523681), (61, 356602631), (77, 282503383), (427, 50943233), (671, 32418421), (4697, 4631203)]