21983408

素因数分解:

$2^4\times {\mathrm{887}}^1\times {\mathrm{1549}}^1$

素因数の和:2444

約数の個数: 20

約数和(自身を含む): 42668400

約数和(自身を除く): 20684992

約数列:

[1, 2, 4, 8, 16, 887, 1549, 1774, 3098, 3548, 6196, 7096, 12392, 14192, 24784, 1373963, 2747926, 5495852, 10991704, 21983408]

約数ペア:

[(1, 21983408), (2, 10991704), (4, 5495852), (8, 2747926), (16, 1373963), (887, 24784), (1549, 14192), (1774, 12392), (3098, 7096), (3548, 6196)]