21860476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{719}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 41852160

約数和(自身を除く): 19991684

約数列:

[1, 2, 4, 11, 22, 44, 691, 719, 1382, 1438, 2764, 2876, 7601, 7909, 15202, 15818, 30404, 31636, 496829, 993658, 1987316, 5465119, 10930238, 21860476]

約数ペア:

[(1, 21860476), (2, 10930238), (4, 5465119), (11, 1987316), (22, 993658), (44, 496829), (691, 31636), (719, 30404), (1382, 15818), (1438, 15202), (2764, 7909), (2876, 7601)]