21435426

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22469}}^1$

素因数の和:22530

約数の個数: 24

約数和(自身を含む): 47321820

約数和(自身を除く): 25886394

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22469, 44938, 67407, 134814, 202221, 404442, 1190857, 2381714, 3572571, 7145142, 10717713, 21435426]

約数ペア:

[(1, 21435426), (2, 10717713), (3, 7145142), (6, 3572571), (9, 2381714), (18, 1190857), (53, 404442), (106, 202221), (159, 134814), (318, 67407), (477, 44938), (954, 22469)]