21897224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{161009}}^1$

素因数の和:161032

約数の個数: 16

約数和(自身を含む): 43472700

約数和(自身を除く): 21575476

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 161009, 322018, 644036, 1288072, 2737153, 5474306, 10948612, 21897224]

約数ペア:

[(1, 21897224), (2, 10948612), (4, 5474306), (8, 2737153), (17, 1288072), (34, 644036), (68, 322018), (136, 161009)]