21413742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 29679762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 71, 86, 129, 142, 167, 213, 258, 301, 334, 426, 497, 501, 602, 903, 994, 1002, 1169, 1491, 1806, 2338, 2982, 3053, 3507, 6106, 7014, 7181, 9159, 11857, 14362, 18318, 21371, 21543, 23714, 35571, 42742, 43086, 50267, 64113, 71142, 82999, 100534, 128226, 150801, 165998, 248997, 301602, 497994, 509851, 1019702, 1529553, 3059106, 3568957, 7137914, 10706871, 21413742]

約数ペア:

[(1, 21413742), (2, 10706871), (3, 7137914), (6, 3568957), (7, 3059106), (14, 1529553), (21, 1019702), (42, 509851), (43, 497994), (71, 301602), (86, 248997), (129, 165998), (142, 150801), (167, 128226), (213, 100534), (258, 82999), (301, 71142), (334, 64113), (426, 50267), (497, 43086), (501, 42742), (602, 35571), (903, 23714), (994, 21543), (1002, 21371), (1169, 18318), (1491, 14362), (1806, 11857), (2338, 9159), (2982, 7181), (3053, 7014), (3507, 6106)]