21643546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8501}}^1$

素因数の和:8589

約数の個数: 16

約数和(自身を含む): 34688160

約数和(自身を除く): 13044614

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8501, 17002, 161519, 323038, 569567, 1139134, 10821773, 21643546]

約数ペア:

[(1, 21643546), (2, 10821773), (19, 1139134), (38, 569567), (67, 323038), (134, 161519), (1273, 17002), (2546, 8501)]