21606085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5765435

約数列:

[1, 5, 23, 89, 115, 445, 2047, 2111, 10235, 10555, 48553, 187879, 242765, 939395, 4321217, 21606085]

約数ペア:

[(1, 21606085), (5, 4321217), (23, 939395), (89, 242765), (115, 187879), (445, 48553), (2047, 10555), (2111, 10235)]