21182144

素因数分解:

$2^6\times {\mathrm{43}}^2\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 42

約数和(自身を含む): 43273980

約数和(自身を除く): 22091836

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 179, 344, 358, 688, 716, 1376, 1432, 1849, 2752, 2864, 3698, 5728, 7396, 7697, 11456, 14792, 15394, 29584, 30788, 59168, 61576, 118336, 123152, 246304, 330971, 492608, 661942, 1323884, 2647768, 5295536, 10591072, 21182144]

約数ペア:

[(1, 21182144), (2, 10591072), (4, 5295536), (8, 2647768), (16, 1323884), (32, 661942), (43, 492608), (64, 330971), (86, 246304), (172, 123152), (179, 118336), (344, 61576), (358, 59168), (688, 30788), (716, 29584), (1376, 15394), (1432, 14792), (1849, 11456), (2752, 7697), (2864, 7396), (3698, 5728)]