21239724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{160907}}^1$

素因数の和:160925

約数の個数: 24

約数和(自身を含む): 54065088

約数和(自身を除く): 32825364

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 160907, 321814, 482721, 643628, 965442, 1769977, 1930884, 3539954, 5309931, 7079908, 10619862, 21239724]

約数ペア:

[(1, 21239724), (2, 10619862), (3, 7079908), (4, 5309931), (6, 3539954), (11, 1930884), (12, 1769977), (22, 965442), (33, 643628), (44, 482721), (66, 321814), (132, 160907)]