21142131

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 29280000

約数和(自身を除く): 8137869

約数列:

[1, 3, 29, 87, 487, 499, 1461, 1497, 14123, 14471, 42369, 43413, 243013, 729039, 7047377, 21142131]

約数ペア:

[(1, 21142131), (3, 7047377), (29, 729039), (87, 243013), (487, 43413), (499, 42369), (1461, 14471), (1497, 14123)]