21095712

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6659}}^1$

素因数の和:6686

約数の個数: 72

約数和(自身を含む): 65454480

約数和(自身を除く): 44358768

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6659, 13318, 19977, 26636, 39954, 53272, 59931, 73249, 79908, 106544, 119862, 146498, 159816, 213088, 219747, 239724, 292996, 319632, 439494, 479448, 585992, 639264, 659241, 878988, 958896, 1171984, 1318482, 1757976, 1917792, 2343968, 2636964, 3515952, 5273928, 7031904, 10547856, 21095712]

約数ペア:

[(1, 21095712), (2, 10547856), (3, 7031904), (4, 5273928), (6, 3515952), (8, 2636964), (9, 2343968), (11, 1917792), (12, 1757976), (16, 1318482), (18, 1171984), (22, 958896), (24, 878988), (32, 659241), (33, 639264), (36, 585992), (44, 479448), (48, 439494), (66, 319632), (72, 292996), (88, 239724), (96, 219747), (99, 213088), (132, 159816), (144, 146498), (176, 119862), (198, 106544), (264, 79908), (288, 73249), (352, 59931), (396, 53272), (528, 39954), (792, 26636), (1056, 19977), (1584, 13318), (3168, 6659)]