21574304

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15679}}^1$

素因数の和:15732

約数の個数: 24

約数和(自身を含む): 43464960

約数和(自身を除く): 21890656

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15679, 31358, 62716, 125432, 250864, 501728, 674197, 1348394, 2696788, 5393576, 10787152, 21574304]

約数ペア:

[(1, 21574304), (2, 10787152), (4, 5393576), (8, 2696788), (16, 1348394), (32, 674197), (43, 501728), (86, 250864), (172, 125432), (344, 62716), (688, 31358), (1376, 15679)]