21539431

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 23823360

約数和(自身を除く): 2283929

約数列:

[1, 23, 29, 43, 667, 751, 989, 1247, 17273, 21779, 28681, 32293, 500917, 742739, 936497, 21539431]

約数ペア:

[(1, 21539431), (23, 936497), (29, 742739), (43, 500917), (667, 32293), (751, 28681), (989, 21779), (1247, 17273)]