21969424

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4957}}^1$

素因数の和:5242

約数の個数: 20

約数和(自身を含む): 42728044

約数和(自身を除く): 20758620

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4957, 9914, 19828, 39656, 79312, 1373089, 2746178, 5492356, 10984712, 21969424]

約数ペア:

[(1, 21969424), (2, 10984712), (4, 5492356), (8, 2746178), (16, 1373089), (277, 79312), (554, 39656), (1108, 19828), (2216, 9914), (4432, 4957)]