21217382

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:1043

約数の個数: 16

約数和(自身を含む): 32428032

約数和(自身を除く): 11210650

約数列:

[1, 2, 103, 127, 206, 254, 811, 1622, 13081, 26162, 83533, 102997, 167066, 205994, 10608691, 21217382]

約数ペア:

[(1, 21217382), (2, 10608691), (103, 205994), (127, 167066), (206, 102997), (254, 83533), (811, 26162), (1622, 13081)]