21348072

素因数分解:

$2^3\times 3^2\times {\mathrm{479}}^1\times {\mathrm{619}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 58032000

約数和(自身を除く): 36683928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 479, 619, 958, 1238, 1437, 1857, 1916, 2476, 2874, 3714, 3832, 4311, 4952, 5571, 5748, 7428, 8622, 11142, 11496, 14856, 17244, 22284, 34488, 44568, 296501, 593002, 889503, 1186004, 1779006, 2372008, 2668509, 3558012, 5337018, 7116024, 10674036, 21348072]

約数ペア:

[(1, 21348072), (2, 10674036), (3, 7116024), (4, 5337018), (6, 3558012), (8, 2668509), (9, 2372008), (12, 1779006), (18, 1186004), (24, 889503), (36, 593002), (72, 296501), (479, 44568), (619, 34488), (958, 22284), (1238, 17244), (1437, 14856), (1857, 11496), (1916, 11142), (2476, 8622), (2874, 7428), (3714, 5748), (3832, 5571), (4311, 4952)]