21000751982

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20548681}}^1$

素因数の和:20548763

約数の個数: 16

約数和(自身を含む): 36494459232

約数和(自身を除く): 15493707250

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20548681, 41097362, 143840767, 287681534, 1500053713, 3000107426, 10500375991, 21000751982]

約数ペア:

[(1, 21000751982), (2, 10500375991), (7, 3000107426), (14, 1500053713), (73, 287681534), (146, 143840767), (511, 41097362), (1022, 20548681)]