21048573

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77101}}^1$

素因数の和:77124

約数の個数: 16

約数和(自身を含む): 34541696

約数和(自身を除く): 13493123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 77101, 231303, 539707, 1002313, 1619121, 3006939, 7016191, 21048573]

約数ペア:

[(1, 21048573), (3, 7016191), (7, 3006939), (13, 1619121), (21, 1002313), (39, 539707), (91, 231303), (273, 77101)]