21800528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80149}}^1$

素因数の和:80174

約数の個数: 20

約数和(自身を含む): 44723700

約数和(自身を除く): 22923172

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80149, 160298, 320596, 641192, 1282384, 1362533, 2725066, 5450132, 10900264, 21800528]

約数ペア:

[(1, 21800528), (2, 10900264), (4, 5450132), (8, 2725066), (16, 1362533), (17, 1282384), (34, 641192), (68, 320596), (136, 160298), (272, 80149)]