21881354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{4127}}^1$

素因数の和:4381

約数の個数: 16

約数和(自身を含む): 35963136

約数和(自身を除く): 14081782

約数列:

[1, 2, 11, 22, 241, 482, 2651, 4127, 5302, 8254, 45397, 90794, 994607, 1989214, 10940677, 21881354]

約数ペア:

[(1, 21881354), (2, 10940677), (11, 1989214), (22, 994607), (241, 90794), (482, 45397), (2651, 8254), (4127, 5302)]