21425547

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49943}}^1$

素因数の和:49970

約数の個数: 16

約数和(自身を含む): 33562368

約数和(自身を除く): 12136821

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49943, 149829, 549373, 649259, 1648119, 1947777, 7141849, 21425547]

約数ペア:

[(1, 21425547), (3, 7141849), (11, 1947777), (13, 1648119), (33, 649259), (39, 549373), (143, 149829), (429, 49943)]