21393627

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{499}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 29568000

約数和(自身を除く): 8174373

約数列:

[1, 3, 31, 93, 461, 499, 1383, 1497, 14291, 15469, 42873, 46407, 230039, 690117, 7131209, 21393627]

約数ペア:

[(1, 21393627), (3, 7131209), (31, 690117), (93, 230039), (461, 46407), (499, 42873), (1383, 15469), (1497, 14291)]