21733456

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{1619}}^1$

素因数の和:2466

約数の個数: 20

約数和(自身を含む): 42184800

約数和(自身を除く): 20451344

約数列:

[1, 2, 4, 8, 16, 839, 1619, 1678, 3238, 3356, 6476, 6712, 12952, 13424, 25904, 1358341, 2716682, 5433364, 10866728, 21733456]

約数ペア:

[(1, 21733456), (2, 10866728), (4, 5433364), (8, 2716682), (16, 1358341), (839, 25904), (1619, 13424), (1678, 12952), (3238, 6712), (3356, 6476)]