19620921

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 26707968

約数和(自身を除く): 7087047

約数列:

[1, 3, 71, 213, 251, 367, 753, 1101, 17821, 26057, 53463, 78171, 92117, 276351, 6540307, 19620921]

約数ペア:

[(1, 19620921), (3, 6540307), (71, 276351), (213, 92117), (251, 78171), (367, 53463), (753, 26057), (1101, 17821)]