21392397

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1033}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 34742400

約数和(自身を除く): 13350003

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1033, 1593, 2301, 3099, 6903, 9297, 13429, 20709, 27891, 40287, 60947, 120861, 182841, 362583, 548523, 792311, 1645569, 2376933, 7130799, 21392397]

約数ペア:

[(1, 21392397), (3, 7130799), (9, 2376933), (13, 1645569), (27, 792311), (39, 548523), (59, 362583), (117, 182841), (177, 120861), (351, 60947), (531, 40287), (767, 27891), (1033, 20709), (1593, 13429), (2301, 9297), (3099, 6903)]