21564933

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17837}}^1$

素因数の和:17884

約数の個数: 16

約数和(自身を含む): 31965696

約数和(自身を除く): 10400763

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17837, 53511, 231881, 552947, 695643, 1658841, 7188311, 21564933]

約数ペア:

[(1, 21564933), (3, 7188311), (13, 1658841), (31, 695643), (39, 552947), (93, 231881), (403, 53511), (1209, 17837)]