21660611

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 3740989

約数列:

[1, 7, 59, 179, 293, 413, 1253, 2051, 10561, 17287, 52447, 73927, 121009, 367129, 3094373, 21660611]

約数ペア:

[(1, 21660611), (7, 3094373), (59, 367129), (179, 121009), (293, 73927), (413, 52447), (1253, 17287), (2051, 10561)]