21834891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 34122816

約数和(自身を除く): 12287925

約数列:

[1, 3, 9, 13, 39, 117, 431, 433, 1293, 1299, 3879, 3897, 5603, 5629, 16809, 16887, 50427, 50661, 186623, 559869, 1679607, 2426099, 7278297, 21834891]

約数ペア:

[(1, 21834891), (3, 7278297), (9, 2426099), (13, 1679607), (39, 559869), (117, 186623), (431, 50661), (433, 50427), (1293, 16887), (1299, 16809), (3879, 5629), (3897, 5603)]