21406976

素因数分解:

$2^8\times {\mathrm{83621}}^1$

素因数の和:83637

約数の個数: 18

約数和(自身を含む): 42730842

約数和(自身を除く): 21323866

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83621, 167242, 334484, 668968, 1337936, 2675872, 5351744, 10703488, 21406976]

約数ペア:

[(1, 21406976), (2, 10703488), (4, 5351744), (8, 2675872), (16, 1337936), (32, 668968), (64, 334484), (128, 167242), (256, 83621)]