21982303

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 25722880

約数和(自身を除く): 3740577

約数列:

[1, 7, 79, 127, 313, 553, 889, 2191, 10033, 24727, 39751, 70231, 173089, 278257, 3140329, 21982303]

約数ペア:

[(1, 21982303), (7, 3140329), (79, 278257), (127, 173089), (313, 70231), (553, 39751), (889, 24727), (2191, 10033)]