21271884

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24967}}^1$

素因数の和:25045

約数の個数: 24

約数和(自身を含む): 50335488

約数和(自身を除く): 29063604

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24967, 49934, 74901, 99868, 149802, 299604, 1772657, 3545314, 5317971, 7090628, 10635942, 21271884]

約数ペア:

[(1, 21271884), (2, 10635942), (3, 7090628), (4, 5317971), (6, 3545314), (12, 1772657), (71, 299604), (142, 149802), (213, 99868), (284, 74901), (426, 49934), (852, 24967)]