21904758

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{3371}}^1$

素因数の和:3417

約数の個数: 36

約数和(自身を含む): 50104548

約数和(自身を除く): 28199790

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 3371, 6498, 6742, 10113, 20226, 30339, 60678, 64049, 128098, 192147, 384294, 576441, 1152882, 1216931, 2433862, 3650793, 7301586, 10952379, 21904758]

約数ペア:

[(1, 21904758), (2, 10952379), (3, 7301586), (6, 3650793), (9, 2433862), (18, 1216931), (19, 1152882), (38, 576441), (57, 384294), (114, 192147), (171, 128098), (342, 64049), (361, 60678), (722, 30339), (1083, 20226), (2166, 10113), (3249, 6742), (3371, 6498)]