21187648

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7699}}^1$

素因数の和:7754

約数の個数: 28

約数和(自身を含む): 43027600

約数和(自身を除く): 21839952

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7699, 15398, 30796, 61592, 123184, 246368, 331057, 492736, 662114, 1324228, 2648456, 5296912, 10593824, 21187648]

約数ペア:

[(1, 21187648), (2, 10593824), (4, 5296912), (8, 2648456), (16, 1324228), (32, 662114), (43, 492736), (64, 331057), (86, 246368), (172, 123184), (344, 61592), (688, 30796), (1376, 15398), (2752, 7699)]