21559448

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4127}}^1$

素因数の和:4786

約数の個数: 16

約数和(自身を含む): 40495680

約数和(自身を除く): 18936232

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4127, 5224, 8254, 16508, 33016, 2694931, 5389862, 10779724, 21559448]

約数ペア:

[(1, 21559448), (2, 10779724), (4, 5389862), (8, 2694931), (653, 33016), (1306, 16508), (2612, 8254), (4127, 5224)]