21522016

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15641}}^1$

素因数の和:15694

約数の個数: 24

約数和(自身を含む): 43359624

約数和(自身を除く): 21837608

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15641, 31282, 62564, 125128, 250256, 500512, 672563, 1345126, 2690252, 5380504, 10761008, 21522016]

約数ペア:

[(1, 21522016), (2, 10761008), (4, 5380504), (8, 2690252), (16, 1345126), (32, 672563), (43, 500512), (86, 250256), (172, 125128), (344, 62564), (688, 31282), (1376, 15641)]