21917512

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8753}}^1$

素因数の和:9072

約数の個数: 16

約数和(自身を含む): 41231340

約数和(自身を除く): 19313828

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8753, 17506, 35012, 70024, 2739689, 5479378, 10958756, 21917512]

約数ペア:

[(1, 21917512), (2, 10958756), (4, 5479378), (8, 2739689), (313, 70024), (626, 35012), (1252, 17506), (2504, 8753)]