21673072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71293}}^1$

素因数の和:71320

約数の個数: 20

約数和(自身を含む): 44202280

約数和(自身を除く): 22529208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71293, 142586, 285172, 570344, 1140688, 1354567, 2709134, 5418268, 10836536, 21673072]

約数ペア:

[(1, 21673072), (2, 10836536), (4, 5418268), (8, 2709134), (16, 1354567), (19, 1140688), (38, 570344), (76, 285172), (152, 142586), (304, 71293)]