21818376

素因数分解:

$2^3\times 3^3\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 61387200

約数和(自身を除く): 39568824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 83, 108, 166, 216, 249, 332, 498, 664, 747, 996, 1217, 1494, 1992, 2241, 2434, 2988, 3651, 4482, 4868, 5976, 7302, 8964, 9736, 10953, 14604, 17928, 21906, 29208, 32859, 43812, 65718, 87624, 101011, 131436, 202022, 262872, 303033, 404044, 606066, 808088, 909099, 1212132, 1818198, 2424264, 2727297, 3636396, 5454594, 7272792, 10909188, 21818376]

約数ペア:

[(1, 21818376), (2, 10909188), (3, 7272792), (4, 5454594), (6, 3636396), (8, 2727297), (9, 2424264), (12, 1818198), (18, 1212132), (24, 909099), (27, 808088), (36, 606066), (54, 404044), (72, 303033), (83, 262872), (108, 202022), (166, 131436), (216, 101011), (249, 87624), (332, 65718), (498, 43812), (664, 32859), (747, 29208), (996, 21906), (1217, 17928), (1494, 14604), (1992, 10953), (2241, 9736), (2434, 8964), (2988, 7302), (3651, 5976), (4482, 4868)]