21062943

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{70919}}^1$

素因数の和:70939

約数の個数: 16

約数和(自身を含む): 34041600

約数和(自身を除く): 12978657

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 70919, 212757, 638271, 780109, 1914813, 2340327, 7020981, 21062943]

約数ペア:

[(1, 21062943), (3, 7020981), (9, 2340327), (11, 1914813), (27, 780109), (33, 638271), (99, 212757), (297, 70919)]