21000742054

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1\times {\mathrm{1223}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 32145422400

約数和(自身を除く): 11144680346

約数列:

[1, 2, 73, 146, 337, 349, 674, 698, 1223, 2446, 24601, 25477, 49202, 50954, 89279, 117613, 178558, 235226, 412151, 426827, 824302, 853654, 8585749, 17171498, 30087023, 31158371, 60174046, 62316742, 143840699, 287681398, 10500371027, 21000742054]

約数ペア:

[(1, 21000742054), (2, 10500371027), (73, 287681398), (146, 143840699), (337, 62316742), (349, 60174046), (674, 31158371), (698, 30087023), (1223, 17171498), (2446, 8585749), (24601, 853654), (25477, 824302), (49202, 426827), (50954, 412151), (89279, 235226), (117613, 178558)]