21012337

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 22632192

約数和(自身を除く): 1619855

約数列:

[1, 37, 43, 47, 281, 1591, 1739, 2021, 10397, 12083, 13207, 74777, 447071, 488659, 567901, 21012337]

約数ペア:

[(1, 21012337), (37, 567901), (43, 488659), (47, 447071), (281, 74777), (1591, 13207), (1739, 12083), (2021, 10397)]