21659946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 54521856

約数和(自身を除く): 32861910

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 173, 231, 271, 346, 462, 519, 542, 813, 1038, 1211, 1626, 1897, 1903, 2422, 2981, 3633, 3794, 3806, 5691, 5709, 5962, 7266, 8943, 11382, 11418, 13321, 17886, 20867, 26642, 39963, 41734, 46883, 62601, 79926, 93766, 125202, 140649, 281298, 328181, 515713, 656362, 984543, 1031426, 1547139, 1969086, 3094278, 3609991, 7219982, 10829973, 21659946]

約数ペア:

[(1, 21659946), (2, 10829973), (3, 7219982), (6, 3609991), (7, 3094278), (11, 1969086), (14, 1547139), (21, 1031426), (22, 984543), (33, 656362), (42, 515713), (66, 328181), (77, 281298), (154, 140649), (173, 125202), (231, 93766), (271, 79926), (346, 62601), (462, 46883), (519, 41734), (542, 39963), (813, 26642), (1038, 20867), (1211, 17886), (1626, 13321), (1897, 11418), (1903, 11382), (2422, 8943), (2981, 7266), (3633, 5962), (3794, 5709), (3806, 5691)]