21906082

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:846

約数の個数: 24

約数和(自身を含む): 36446256

約数和(自身を除く): 14540174

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 691, 1382, 1441, 2882, 7601, 15202, 15851, 31702, 83611, 90521, 167222, 181042, 995731, 1991462, 10953041, 21906082]

約数ペア:

[(1, 21906082), (2, 10953041), (11, 1991462), (22, 995731), (121, 181042), (131, 167222), (242, 90521), (262, 83611), (691, 31702), (1382, 15851), (1441, 15202), (2882, 7601)]