21891296

素因数分解:

$2^5\times 7^1\times {\mathrm{97729}}^1$

素因数の和:97746

約数の個数: 24

約数和(自身を含む): 49255920

約数和(自身を除く): 27364624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 97729, 195458, 390916, 684103, 781832, 1368206, 1563664, 2736412, 3127328, 5472824, 10945648, 21891296]

約数ペア:

[(1, 21891296), (2, 10945648), (4, 5472824), (7, 3127328), (8, 2736412), (14, 1563664), (16, 1368206), (28, 781832), (32, 684103), (56, 390916), (112, 195458), (224, 97729)]