21274024

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{20939}}^1$

素因数の和:21072

約数の個数: 16

約数和(自身を含む): 40204800

約数和(自身を除く): 18930776

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 20939, 41878, 83756, 167512, 2659253, 5318506, 10637012, 21274024]

約数ペア:

[(1, 21274024), (2, 10637012), (4, 5318506), (8, 2659253), (127, 167512), (254, 83756), (508, 41878), (1016, 20939)]