21982136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{249797}}^1$

素因数の和:249814

約数の個数: 16

約数和(自身を含む): 44963640

約数和(自身を除く): 22981504

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 249797, 499594, 999188, 1998376, 2747767, 5495534, 10991068, 21982136]

約数ペア:

[(1, 21982136), (2, 10991068), (4, 5495534), (8, 2747767), (11, 1998376), (22, 999188), (44, 499594), (88, 249797)]