21038163

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11149}}^1$

素因数の和:11206

約数の個数: 16

約数和(自身を含む): 30506400

約数和(自身を除く): 9468237

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11149, 33447, 189533, 412513, 568599, 1237539, 7012721, 21038163]

約数ペア:

[(1, 21038163), (3, 7012721), (17, 1237539), (37, 568599), (51, 412513), (111, 189533), (629, 33447), (1887, 11149)]