21531372

素因数分解:

$2^2\times 3^1\times {\mathrm{563}}^1\times {\mathrm{3187}}^1$

素因数の和:3757

約数の個数: 24

約数和(自身を含む): 50344896

約数和(自身を除く): 28813524

約数列:

[1, 2, 3, 4, 6, 12, 563, 1126, 1689, 2252, 3187, 3378, 6374, 6756, 9561, 12748, 19122, 38244, 1794281, 3588562, 5382843, 7177124, 10765686, 21531372]

約数ペア:

[(1, 21531372), (2, 10765686), (3, 7177124), (4, 5382843), (6, 3588562), (12, 1794281), (563, 38244), (1126, 19122), (1689, 12748), (2252, 9561), (3187, 6756), (3378, 6374)]