28211778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223903}}^1$

素因数の和:223918

約数の個数: 24

約数和(自身を含む): 69858048

約数和(自身を除く): 41646270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223903, 447806, 671709, 1343418, 1567321, 2015127, 3134642, 4030254, 4701963, 9403926, 14105889, 28211778]

約数ペア:

[(1, 28211778), (2, 14105889), (3, 9403926), (6, 4701963), (7, 4030254), (9, 3134642), (14, 2015127), (18, 1567321), (21, 1343418), (42, 671709), (63, 447806), (126, 223903)]