21342734

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2447}}^1$

素因数の和:2552

約数の個数: 24

約数和(自身を含む): 37674720

約数和(自身を除く): 16331986

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2447, 4361, 4894, 8722, 17129, 34258, 119903, 217783, 239806, 435566, 1524481, 3048962, 10671367, 21342734]

約数ペア:

[(1, 21342734), (2, 10671367), (7, 3048962), (14, 1524481), (49, 435566), (89, 239806), (98, 217783), (178, 119903), (623, 34258), (1246, 17129), (2447, 8722), (4361, 4894)]