21578432

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7841}}^1$

素因数の和:7896

約数の個数: 28

約数和(自身を含む): 43821096

約数和(自身を除く): 22242664

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7841, 15682, 31364, 62728, 125456, 250912, 337163, 501824, 674326, 1348652, 2697304, 5394608, 10789216, 21578432]

約数ペア:

[(1, 21578432), (2, 10789216), (4, 5394608), (8, 2697304), (16, 1348652), (32, 674326), (43, 501824), (64, 337163), (86, 250912), (172, 125456), (344, 62728), (688, 31364), (1376, 15682), (2752, 7841)]