21000983986

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1\times {\mathrm{132313}}^1$

素因数の和:133677

約数の個数: 16

約数和(自身を含む): 32042746008

約数和(自身を除く): 11041762022

約数列:

[1, 2, 61, 122, 1301, 2602, 79361, 132313, 158722, 264626, 8071093, 16142186, 172139213, 344278426, 10500491993, 21000983986]

約数ペア:

[(1, 21000983986), (2, 10500491993), (61, 344278426), (122, 172139213), (1301, 16142186), (2602, 8071093), (79361, 264626), (132313, 158722)]