21840256

素因数分解:

$2^7\times {\mathrm{170627}}^1$

素因数の和:170641

約数の個数: 16

約数和(自身を含む): 43510140

約数和(自身を除く): 21669884

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 170627, 341254, 682508, 1365016, 2730032, 5460064, 10920128, 21840256]

約数ペア:

[(1, 21840256), (2, 10920128), (4, 5460064), (8, 2730032), (16, 1365016), (32, 682508), (64, 341254), (128, 170627)]