21846224

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80317}}^1$

素因数の和:80342

約数の個数: 20

約数和(自身を含む): 44817444

約数和(自身を除く): 22971220

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80317, 160634, 321268, 642536, 1285072, 1365389, 2730778, 5461556, 10923112, 21846224]

約数ペア:

[(1, 21846224), (2, 10923112), (4, 5461556), (8, 2730778), (16, 1365389), (17, 1285072), (34, 642536), (68, 321268), (136, 160634), (272, 80317)]