21920696

素因数分解:

$2^3\times 7^1\times {\mathrm{391441}}^1$

素因数の和:391454

約数の個数: 16

約数和(自身を含む): 46973040

約数和(自身を除く): 25052344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 391441, 782882, 1565764, 2740087, 3131528, 5480174, 10960348, 21920696]

約数ペア:

[(1, 21920696), (2, 10960348), (4, 5480174), (7, 3131528), (8, 2740087), (14, 1565764), (28, 782882), (56, 391441)]