21896221473

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1\times {\mathrm{2503}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 36399906816

約数和(自身を除く): 14503685343

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 727, 1337, 1719, 2181, 2503, 4011, 5089, 6543, 7509, 12033, 15267, 17521, 22527, 45801, 52563, 138857, 157689, 416571, 478073, 971999, 1249713, 1434219, 1819681, 2915997, 3346511, 4302657, 5459043, 8747991, 10039533, 12737767, 16377129, 30118599, 38213301, 114639903, 347559071, 1042677213, 2432913497, 3128031639, 7298740491, 21896221473]

約数ペア:

[(1, 21896221473), (3, 7298740491), (7, 3128031639), (9, 2432913497), (21, 1042677213), (63, 347559071), (191, 114639903), (573, 38213301), (727, 30118599), (1337, 16377129), (1719, 12737767), (2181, 10039533), (2503, 8747991), (4011, 5459043), (5089, 4302657), (6543, 3346511), (7509, 2915997), (12033, 1819681), (15267, 1434219), (17521, 1249713), (22527, 971999), (45801, 478073), (52563, 416571), (138857, 157689)]