21316864

素因数分解:

$2^8\times {\mathrm{83269}}^1$

素因数の和:83285

約数の個数: 18

約数和(自身を含む): 42550970

約数和(自身を除く): 21234106

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83269, 166538, 333076, 666152, 1332304, 2664608, 5329216, 10658432, 21316864]

約数ペア:

[(1, 21316864), (2, 10658432), (4, 5329216), (8, 2664608), (16, 1332304), (32, 666152), (64, 333076), (128, 166538), (256, 83269)]