21081374

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2381}}^1$

素因数の和:2635

約数の個数: 16

約数和(自身を含む): 33443280

約数和(自身を除く): 12361906

約数列:

[1, 2, 19, 38, 233, 466, 2381, 4427, 4762, 8854, 45239, 90478, 554773, 1109546, 10540687, 21081374]

約数ペア:

[(1, 21081374), (2, 10540687), (19, 1109546), (38, 554773), (233, 90478), (466, 45239), (2381, 8854), (4427, 4762)]