21046278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318883}}^1$

素因数の和:318899

約数の個数: 16

約数和(自身を含む): 45919296

約数和(自身を除く): 24873018

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318883, 637766, 956649, 1913298, 3507713, 7015426, 10523139, 21046278]

約数ペア:

[(1, 21046278), (2, 10523139), (3, 7015426), (6, 3507713), (11, 1913298), (22, 956649), (33, 637766), (66, 318883)]