21169863

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5483}}^1$

素因数の和:5516

約数の個数: 32

約数和(自身を含む): 36852480

約数和(自身を除く): 15682617

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5483, 16449, 49347, 60313, 71279, 148041, 180939, 213837, 542817, 641511, 784069, 1628451, 1924533, 2352207, 7056621, 21169863]

約数ペア:

[(1, 21169863), (3, 7056621), (9, 2352207), (11, 1924533), (13, 1628451), (27, 784069), (33, 641511), (39, 542817), (99, 213837), (117, 180939), (143, 148041), (297, 71279), (351, 60313), (429, 49347), (1287, 16449), (3861, 5483)]