21239361

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5501}}^1$

素因数の和:5534

約数の個数: 32

約数和(自身を含む): 36973440

約数和(自身を除く): 15734079

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5501, 16503, 49509, 60511, 71513, 148527, 181533, 214539, 544599, 643617, 786643, 1633797, 1930851, 2359929, 7079787, 21239361]

約数ペア:

[(1, 21239361), (3, 7079787), (9, 2359929), (11, 1930851), (13, 1633797), (27, 786643), (33, 643617), (39, 544599), (99, 214539), (117, 181533), (143, 148527), (297, 71513), (351, 60511), (429, 49509), (1287, 16503), (3861, 5501)]