2021990410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18381731}}^1$

素因数の和:18381749

約数の個数: 16

約数和(自身を含む): 3970454112

約数和(自身を除く): 1948463702

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18381731, 36763462, 91908655, 183817310, 202199041, 404398082, 1010995205, 2021990410]

約数ペア:

[(1, 2021990410), (2, 1010995205), (5, 404398082), (10, 202199041), (11, 183817310), (22, 91908655), (55, 36763462), (110, 18381731)]