21742320712

素因数分解:

$2^3\times 7^1\times {\mathrm{388255727}}^1$

素因数の和:388255740

約数の個数: 16

約数和(自身を含む): 46590687360

約数和(自身を除く): 24848366648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 388255727, 776511454, 1553022908, 2717790089, 3106045816, 5435580178, 10871160356, 21742320712]

約数ペア:

[(1, 21742320712), (2, 10871160356), (4, 5435580178), (7, 3106045816), (8, 2717790089), (14, 1553022908), (28, 776511454), (56, 388255727)]