21539016

素因数分解:

$2^3\times 3^2\times {\mathrm{293}}^1\times {\mathrm{1021}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 58591260

約数和(自身を除く): 37052244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 293, 586, 879, 1021, 1172, 1758, 2042, 2344, 2637, 3063, 3516, 4084, 5274, 6126, 7032, 8168, 9189, 10548, 12252, 18378, 21096, 24504, 36756, 73512, 299153, 598306, 897459, 1196612, 1794918, 2393224, 2692377, 3589836, 5384754, 7179672, 10769508, 21539016]

約数ペア:

[(1, 21539016), (2, 10769508), (3, 7179672), (4, 5384754), (6, 3589836), (8, 2692377), (9, 2393224), (12, 1794918), (18, 1196612), (24, 897459), (36, 598306), (72, 299153), (293, 73512), (586, 36756), (879, 24504), (1021, 21096), (1172, 18378), (1758, 12252), (2042, 10548), (2344, 9189), (2637, 8168), (3063, 7032), (3516, 6126), (4084, 5274)]