21170291912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{48473}}^1$

素因数の和:49206

約数の個数: 64

約数和(自身を含む): 49559817600

約数和(自身を除く): 28389525688

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 709, 1418, 2836, 4963, 5672, 7799, 9926, 15598, 19852, 31196, 39704, 48473, 54593, 62392, 96946, 109186, 193892, 218372, 339311, 387784, 436744, 533203, 678622, 1066406, 1357244, 2132812, 2714488, 3732421, 4265624, 7464842, 14929684, 29859368, 34367357, 68734714, 137469428, 240571499, 274938856, 378040927, 481142998, 756081854, 962285996, 1512163708, 1924571992, 2646286489, 3024327416, 5292572978, 10585145956, 21170291912]

約数ペア:

[(1, 21170291912), (2, 10585145956), (4, 5292572978), (7, 3024327416), (8, 2646286489), (11, 1924571992), (14, 1512163708), (22, 962285996), (28, 756081854), (44, 481142998), (56, 378040927), (77, 274938856), (88, 240571499), (154, 137469428), (308, 68734714), (616, 34367357), (709, 29859368), (1418, 14929684), (2836, 7464842), (4963, 4265624), (5672, 3732421), (7799, 2714488), (9926, 2132812), (15598, 1357244), (19852, 1066406), (31196, 678622), (39704, 533203), (48473, 436744), (54593, 387784), (62392, 339311), (96946, 218372), (109186, 193892)]