21773493

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:626

約数の個数: 36

約数和(自身を含む): 37035180

約数和(自身を除く): 15261687

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 509, 679, 873, 1527, 2037, 3563, 4581, 4753, 6111, 10689, 14259, 24941, 32067, 42777, 49373, 74823, 148119, 224469, 345611, 444357, 1036833, 2419277, 3110499, 7257831, 21773493]

約数ペア:

[(1, 21773493), (3, 7257831), (7, 3110499), (9, 2419277), (21, 1036833), (49, 444357), (63, 345611), (97, 224469), (147, 148119), (291, 74823), (441, 49373), (509, 42777), (679, 32067), (873, 24941), (1527, 14259), (2037, 10689), (3563, 6111), (4581, 4753)]