21676378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18401}}^1$

素因数の和:18453

約数の個数: 16

約数和(自身を含む): 35331840

約数和(自身を除く): 13655462

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 18401, 36802, 349619, 570431, 699238, 1140862, 10838189, 21676378]

約数ペア:

[(1, 21676378), (2, 10838189), (19, 1140862), (31, 699238), (38, 570431), (62, 349619), (589, 36802), (1178, 18401)]