21360543001

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 25966008000

約数和(自身を除く): 4605464999

約数列:

[1, 7, 37, 49, 107, 149, 259, 739, 749, 1043, 1813, 3959, 5173, 5243, 5513, 7301, 15943, 27343, 27713, 36211, 38591, 79073, 110111, 111601, 191401, 193991, 270137, 553511, 589891, 770777, 781207, 1339807, 2925701, 3874577, 4074107, 4129237, 5395439, 11781877, 20479907, 28518749, 28904659, 82473139, 143359349, 199631243, 435929449, 577311973, 3051506143, 21360543001]

約数ペア:

[(1, 21360543001), (7, 3051506143), (37, 577311973), (49, 435929449), (107, 199631243), (149, 143359349), (259, 82473139), (739, 28904659), (749, 28518749), (1043, 20479907), (1813, 11781877), (3959, 5395439), (5173, 4129237), (5243, 4074107), (5513, 3874577), (7301, 2925701), (15943, 1339807), (27343, 781207), (27713, 770777), (36211, 589891), (38591, 553511), (79073, 270137), (110111, 193991), (111601, 191401)]