21416979

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3929}}^1$

素因数の和:4034

約数の個数: 16

約数和(自身を含む): 30182400

約数和(自身を除く): 8765421

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3929, 5451, 11787, 90367, 271101, 310391, 931173, 7138993, 21416979]

約数ペア:

[(1, 21416979), (3, 7138993), (23, 931173), (69, 310391), (79, 271101), (237, 90367), (1817, 11787), (3929, 5451)]