21336256

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7753}}^1$

素因数の和:7808

約数の個数: 28

約数和(自身を含む): 43329352

約数和(自身を除く): 21993096

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7753, 15506, 31012, 62024, 124048, 248096, 333379, 496192, 666758, 1333516, 2667032, 5334064, 10668128, 21336256]

約数ペア:

[(1, 21336256), (2, 10668128), (4, 5334064), (8, 2667032), (16, 1333516), (32, 666758), (43, 496192), (64, 333379), (86, 248096), (172, 124048), (344, 62024), (688, 31012), (1376, 15506), (2752, 7753)]