21004536

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 62421840

約数和(自身を除く): 41417304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 53, 56, 84, 98, 106, 147, 159, 168, 196, 212, 294, 318, 337, 371, 392, 424, 588, 636, 674, 742, 1011, 1113, 1176, 1272, 1348, 1484, 2022, 2226, 2359, 2597, 2696, 2968, 4044, 4452, 4718, 5194, 7077, 7791, 8088, 8904, 9436, 10388, 14154, 15582, 16513, 17861, 18872, 20776, 28308, 31164, 33026, 35722, 49539, 53583, 56616, 62328, 66052, 71444, 99078, 107166, 125027, 132104, 142888, 198156, 214332, 250054, 375081, 396312, 428664, 500108, 750162, 875189, 1000216, 1500324, 1750378, 2625567, 3000648, 3500756, 5251134, 7001512, 10502268, 21004536]

約数ペア:

[(1, 21004536), (2, 10502268), (3, 7001512), (4, 5251134), (6, 3500756), (7, 3000648), (8, 2625567), (12, 1750378), (14, 1500324), (21, 1000216), (24, 875189), (28, 750162), (42, 500108), (49, 428664), (53, 396312), (56, 375081), (84, 250054), (98, 214332), (106, 198156), (147, 142888), (159, 132104), (168, 125027), (196, 107166), (212, 99078), (294, 71444), (318, 66052), (337, 62328), (371, 56616), (392, 53583), (424, 49539), (588, 35722), (636, 33026), (674, 31164), (742, 28308), (1011, 20776), (1113, 18872), (1176, 17861), (1272, 16513), (1348, 15582), (1484, 14154), (2022, 10388), (2226, 9436), (2359, 8904), (2597, 8088), (2696, 7791), (2968, 7077), (4044, 5194), (4452, 4718)]