21058807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1511}}^1$

素因数の和:1710

約数の個数: 16

約数和(自身を含む): 26417664

約数和(自身を除く): 5358857

約数列:

[1, 7, 11, 77, 181, 1267, 1511, 1991, 10577, 13937, 16621, 116347, 273491, 1914437, 3008401, 21058807]

約数ペア:

[(1, 21058807), (7, 3008401), (11, 1914437), (77, 273491), (181, 116347), (1267, 16621), (1511, 13937), (1991, 10577)]