21551529

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 11902551

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 967, 969, 1173, 1311, 2901, 7429, 16439, 18373, 22241, 22287, 49317, 55119, 66723, 312341, 378097, 422579, 937023, 1134291, 1267737, 7183843, 21551529]

約数ペア:

[(1, 21551529), (3, 7183843), (17, 1267737), (19, 1134291), (23, 937023), (51, 422579), (57, 378097), (69, 312341), (323, 66723), (391, 55119), (437, 49317), (967, 22287), (969, 22241), (1173, 18373), (1311, 16439), (2901, 7429)]