21230846

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 20572930

約数列:

[1, 2, 7, 13, 14, 26, 31, 53, 62, 71, 91, 106, 142, 182, 217, 371, 403, 434, 497, 689, 742, 806, 923, 994, 1378, 1643, 1846, 2201, 2821, 3286, 3763, 4402, 4823, 5642, 6461, 7526, 9646, 11501, 12922, 15407, 21359, 23002, 26341, 28613, 30814, 42718, 48919, 52682, 57226, 97838, 116653, 149513, 200291, 233306, 299026, 342433, 400582, 684866, 816571, 1516489, 1633142, 3032978, 10615423, 21230846]

約数ペア:

[(1, 21230846), (2, 10615423), (7, 3032978), (13, 1633142), (14, 1516489), (26, 816571), (31, 684866), (53, 400582), (62, 342433), (71, 299026), (91, 233306), (106, 200291), (142, 149513), (182, 116653), (217, 97838), (371, 57226), (403, 52682), (434, 48919), (497, 42718), (689, 30814), (742, 28613), (806, 26341), (923, 23002), (994, 21359), (1378, 15407), (1643, 12922), (1846, 11501), (2201, 9646), (2821, 7526), (3286, 6461), (3763, 5642), (4402, 4823)]