21885646

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 33441408

約数和(自身を除く): 11555762

約数列:

[1, 2, 103, 131, 206, 262, 811, 1622, 13493, 26986, 83533, 106241, 167066, 212482, 10942823, 21885646]

約数ペア:

[(1, 21885646), (2, 10942823), (103, 212482), (131, 167066), (206, 106241), (262, 83533), (811, 26986), (1622, 13493)]