21563841

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29101}}^1$

素因数の和:29136

約数の個数: 16

約数和(自身を含む): 32594240

約数和(自身を除く): 11030399

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29101, 87303, 378313, 552919, 1134939, 1658757, 7187947, 21563841]

約数ペア:

[(1, 21563841), (3, 7187947), (13, 1658757), (19, 1134939), (39, 552919), (57, 378313), (247, 87303), (741, 29101)]