16421692

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18919}}^1$

素因数の和:18961

約数の個数: 24

約数和(自身を含む): 33904640

約数和(自身を除く): 17482948

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 18919, 37838, 75676, 132433, 264866, 529732, 586489, 1172978, 2345956, 4105423, 8210846, 16421692]

約数ペア:

[(1, 16421692), (2, 8210846), (4, 4105423), (7, 2345956), (14, 1172978), (28, 586489), (31, 529732), (62, 264866), (124, 132433), (217, 75676), (434, 37838), (868, 18919)]