21489224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{158009}}^1$

素因数の和:158032

約数の個数: 16

約数和(自身を含む): 42662700

約数和(自身を除く): 21173476

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 158009, 316018, 632036, 1264072, 2686153, 5372306, 10744612, 21489224]

約数ペア:

[(1, 21489224), (2, 10744612), (4, 5372306), (8, 2686153), (17, 1264072), (34, 632036), (68, 316018), (136, 158009)]