21304572

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{5783}}^1$

素因数の和:6097

約数の個数: 24

約数和(自身を含む): 49881216

約数和(自身を除く): 28576644

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 5783, 11566, 17349, 23132, 34698, 69396, 1775381, 3550762, 5326143, 7101524, 10652286, 21304572]

約数ペア:

[(1, 21304572), (2, 10652286), (3, 7101524), (4, 5326143), (6, 3550762), (12, 1775381), (307, 69396), (614, 34698), (921, 23132), (1228, 17349), (1842, 11566), (3684, 5783)]