21554694

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 33741306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 127, 189, 254, 378, 381, 449, 762, 889, 898, 1143, 1347, 1778, 2286, 2667, 2694, 3143, 3429, 4041, 5334, 6286, 6858, 8001, 8082, 9429, 12123, 16002, 18858, 24003, 24246, 28287, 48006, 56574, 57023, 84861, 114046, 169722, 171069, 342138, 399161, 513207, 798322, 1026414, 1197483, 1539621, 2394966, 3079242, 3592449, 7184898, 10777347, 21554694]

約数ペア:

[(1, 21554694), (2, 10777347), (3, 7184898), (6, 3592449), (7, 3079242), (9, 2394966), (14, 1539621), (18, 1197483), (21, 1026414), (27, 798322), (42, 513207), (54, 399161), (63, 342138), (126, 171069), (127, 169722), (189, 114046), (254, 84861), (378, 57023), (381, 56574), (449, 48006), (762, 28287), (889, 24246), (898, 24003), (1143, 18858), (1347, 16002), (1778, 12123), (2286, 9429), (2667, 8082), (2694, 8001), (3143, 6858), (3429, 6286), (4041, 5334)]