21402083521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1\times {\mathrm{4663}}^1$

素因数の和:6341

約数の個数: 32

約数和(自身を含む): 27213283328

約数和(自身を除く): 5811199807

約数列:

[1, 7, 13, 31, 91, 217, 403, 1627, 2821, 4663, 11389, 21151, 32641, 50437, 60619, 144553, 148057, 353059, 424333, 655681, 1011871, 1879189, 4589767, 7586701, 13154323, 53106907, 98627113, 235187731, 690389791, 1646314117, 3057440503, 21402083521]

約数ペア:

[(1, 21402083521), (7, 3057440503), (13, 1646314117), (31, 690389791), (91, 235187731), (217, 98627113), (403, 53106907), (1627, 13154323), (2821, 7586701), (4663, 4589767), (11389, 1879189), (21151, 1011871), (32641, 655681), (50437, 424333), (60619, 353059), (144553, 148057)]