21682456

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21341}}^1$

素因数の和:21474

約数の個数: 16

約数和(自身を含む): 40976640

約数和(自身を除く): 19294184

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21341, 42682, 85364, 170728, 2710307, 5420614, 10841228, 21682456]

約数ペア:

[(1, 21682456), (2, 10841228), (4, 5420614), (8, 2710307), (127, 170728), (254, 85364), (508, 42682), (1016, 21341)]