21457551

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{3079}}^1$

素因数の和:3206

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 8701809

約数列:

[1, 3, 23, 69, 101, 303, 2323, 3079, 6969, 9237, 70817, 212451, 310979, 932937, 7152517, 21457551]

約数ペア:

[(1, 21457551), (3, 7152517), (23, 932937), (69, 310979), (101, 212451), (303, 70817), (2323, 9237), (3079, 6969)]