21571079761

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2138503}}^1$

素因数の和:2138652

約数の個数: 16

約数和(自身を含む): 27099122688

約数和(自身を除く): 5528042927

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 2138503, 14969521, 23523533, 164664731, 280143893, 1961007251, 3081582823, 21571079761]

約数ペア:

[(1, 21571079761), (7, 3081582823), (11, 1961007251), (77, 280143893), (131, 164664731), (917, 23523533), (1441, 14969521), (10087, 2138503)]