21919832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{249089}}^1$

素因数の和:249106

約数の個数: 16

約数和(自身を含む): 44836200

約数和(自身を除く): 22916368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 249089, 498178, 996356, 1992712, 2739979, 5479958, 10959916, 21919832]

約数ペア:

[(1, 21919832), (2, 10959916), (4, 5479958), (8, 2739979), (11, 1992712), (22, 996356), (44, 498178), (88, 249089)]