21913551

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{73783}}^1$

素因数の和:73803

約数の個数: 16

約数和(自身を含む): 35416320

約数和(自身を除く): 13502769

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 73783, 221349, 664047, 811613, 1992141, 2434839, 7304517, 21913551]

約数ペア:

[(1, 21913551), (3, 7304517), (9, 2434839), (11, 1992141), (27, 811613), (33, 664047), (99, 221349), (297, 73783)]