21111651

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2344

約数の個数: 32

約数和(自身を含む): 35235840

約数和(自身を除く): 14124189

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 2293, 3069, 6879, 9207, 20637, 25223, 61911, 71083, 75669, 213249, 227007, 639747, 681021, 781913, 1919241, 2345739, 7037217, 21111651]

約数ペア:

[(1, 21111651), (3, 7037217), (9, 2345739), (11, 1919241), (27, 781913), (31, 681021), (33, 639747), (93, 227007), (99, 213249), (279, 75669), (297, 71083), (341, 61911), (837, 25223), (1023, 20637), (2293, 9207), (3069, 6879)]