21310668

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5333}}^1$

素因数の和:5383

約数の個数: 48

約数和(自身を含む): 56753760

約数和(自身を除く): 35443092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5333, 10666, 15999, 21332, 31998, 47997, 63996, 95994, 143991, 191988, 197321, 287982, 394642, 575964, 591963, 789284, 1183926, 1775889, 2367852, 3551778, 5327667, 7103556, 10655334, 21310668]

約数ペア:

[(1, 21310668), (2, 10655334), (3, 7103556), (4, 5327667), (6, 3551778), (9, 2367852), (12, 1775889), (18, 1183926), (27, 789284), (36, 591963), (37, 575964), (54, 394642), (74, 287982), (108, 197321), (111, 191988), (148, 143991), (222, 95994), (333, 63996), (444, 47997), (666, 31998), (999, 21332), (1332, 15999), (1998, 10666), (3996, 5333)]