21616924

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6079}}^1$

素因数の和:6217

約数の個数: 24

約数和(自身を含む): 43581440

約数和(自身を除く): 21964516

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 6079, 12158, 24316, 42553, 85106, 170212, 772033, 1544066, 3088132, 5404231, 10808462, 21616924]

約数ペア:

[(1, 21616924), (2, 10808462), (4, 5404231), (7, 3088132), (14, 1544066), (28, 772033), (127, 170212), (254, 85106), (508, 42553), (889, 24316), (1778, 12158), (3556, 6079)]