21410587

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 25323200

約数和(自身を除く): 3912613

約数列:

[1, 11, 19, 67, 121, 139, 209, 737, 1273, 1529, 2299, 2641, 8107, 9313, 14003, 16819, 29051, 102443, 154033, 176947, 319561, 1126873, 1946417, 21410587]

約数ペア:

[(1, 21410587), (11, 1946417), (19, 1126873), (67, 319561), (121, 176947), (139, 154033), (209, 102443), (737, 29051), (1273, 16819), (1529, 14003), (2299, 9313), (2641, 8107)]