21788682

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157889}}^1$

素因数の和:157917

約数の個数: 16

約数和(自身を含む): 45472320

約数和(自身を除く): 23683638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157889, 315778, 473667, 947334, 3631447, 7262894, 10894341, 21788682]

約数ペア:

[(1, 21788682), (2, 10894341), (3, 7262894), (6, 3631447), (23, 947334), (46, 473667), (69, 315778), (138, 157889)]