21390592

素因数分解:

$2^8\times {\mathrm{83557}}^1$

素因数の和:83573

約数の個数: 18

約数和(自身を含む): 42698138

約数和(自身を除く): 21307546

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83557, 167114, 334228, 668456, 1336912, 2673824, 5347648, 10695296, 21390592]

約数ペア:

[(1, 21390592), (2, 10695296), (4, 5347648), (8, 2673824), (16, 1336912), (32, 668456), (64, 334228), (128, 167114), (256, 83557)]