21331312

素因数分解:

$2^4\times {\mathrm{433}}^1\times {\mathrm{3079}}^1$

素因数の和:3520

約数の個数: 20

約数和(自身を含む): 41438320

約数和(自身を除く): 20107008

約数列:

[1, 2, 4, 8, 16, 433, 866, 1732, 3079, 3464, 6158, 6928, 12316, 24632, 49264, 1333207, 2666414, 5332828, 10665656, 21331312]

約数ペア:

[(1, 21331312), (2, 10665656), (4, 5332828), (8, 2666414), (16, 1333207), (433, 49264), (866, 24632), (1732, 12316), (3079, 6928), (3464, 6158)]