21744039

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4094

約数の個数: 16

約数和(自身を含む): 30643200

約数和(自身を除く): 8899161

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3989, 5451, 11967, 91747, 275241, 315131, 945393, 7248013, 21744039]

約数ペア:

[(1, 21744039), (3, 7248013), (23, 945393), (69, 315131), (79, 275241), (237, 91747), (1817, 11967), (3989, 5451)]