21922712

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1109}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 47152800

約数和(自身を除く): 25230088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1109, 1412, 2218, 2471, 2824, 4436, 4942, 7763, 8872, 9884, 15526, 19768, 31052, 62104, 391477, 782954, 1565908, 2740339, 3131816, 5480678, 10961356, 21922712]

約数ペア:

[(1, 21922712), (2, 10961356), (4, 5480678), (7, 3131816), (8, 2740339), (14, 1565908), (28, 782954), (56, 391477), (353, 62104), (706, 31052), (1109, 19768), (1412, 15526), (2218, 9884), (2471, 8872), (2824, 7763), (4436, 4942)]