21296188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3547}}^1$

素因数の和:3649

約数の個数: 24

約数和(自身を含む): 39737600

約数和(自身を除く): 18441412

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3547, 6004, 7094, 14188, 67393, 134786, 269572, 280213, 560426, 1120852, 5324047, 10648094, 21296188]

約数ペア:

[(1, 21296188), (2, 10648094), (4, 5324047), (19, 1120852), (38, 560426), (76, 280213), (79, 269572), (158, 134786), (316, 67393), (1501, 14188), (3002, 7094), (3547, 6004)]