21392294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4532

約数の個数: 32

約数和(自身を含む): 41306112

約数和(自身を除く): 19913818

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4481, 4774, 8962, 31367, 49291, 62734, 98582, 138911, 277822, 345037, 690074, 972377, 1528021, 1944754, 3056042, 10696147, 21392294]

約数ペア:

[(1, 21392294), (2, 10696147), (7, 3056042), (11, 1944754), (14, 1528021), (22, 972377), (31, 690074), (62, 345037), (77, 277822), (154, 138911), (217, 98582), (341, 62734), (434, 49291), (682, 31367), (2387, 8962), (4481, 4774)]