21069728

素因数分解:

$2^5\times {\mathrm{277}}^1\times {\mathrm{2377}}^1$

素因数の和:2664

約数の個数: 24

約数和(自身を含む): 41648292

約数和(自身を除く): 20578564

約数列:

[1, 2, 4, 8, 16, 32, 277, 554, 1108, 2216, 2377, 4432, 4754, 8864, 9508, 19016, 38032, 76064, 658429, 1316858, 2633716, 5267432, 10534864, 21069728]

約数ペア:

[(1, 21069728), (2, 10534864), (4, 5267432), (8, 2633716), (16, 1316858), (32, 658429), (277, 76064), (554, 38032), (1108, 19016), (2216, 9508), (2377, 8864), (4432, 4754)]