21060973906

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12641641}}^1$

素因数の和:12641674

約数の個数: 24

約数和(自身を含む): 38910974076

約数和(自身を除く): 17850000170

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12641641, 25283282, 88491487, 176982974, 214907897, 429815794, 619440409, 1238880818, 1504355279, 3008710558, 10530486953, 21060973906]

約数ペア:

[(1, 21060973906), (2, 10530486953), (7, 3008710558), (14, 1504355279), (17, 1238880818), (34, 619440409), (49, 429815794), (98, 214907897), (119, 176982974), (238, 88491487), (833, 25283282), (1666, 12641641)]