21897296

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3877}}^1$

素因数の和:4238

約数の個数: 20

約数和(自身を含む): 42557172

約数和(自身を除く): 20659876

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3877, 5648, 7754, 15508, 31016, 62032, 1368581, 2737162, 5474324, 10948648, 21897296]

約数ペア:

[(1, 21897296), (2, 10948648), (4, 5474324), (8, 2737162), (16, 1368581), (353, 62032), (706, 31016), (1412, 15508), (2824, 7754), (3877, 5648)]