21334220

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5527}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 45042144

約数和(自身を除く): 23707924

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5527, 11054, 22108, 27635, 55270, 110540, 1066711, 2133422, 4266844, 5333555, 10667110, 21334220]

約数ペア:

[(1, 21334220), (2, 10667110), (4, 5333555), (5, 4266844), (10, 2133422), (20, 1066711), (193, 110540), (386, 55270), (772, 27635), (965, 22108), (1930, 11054), (3860, 5527)]