211806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^2$

素因数の和:97

約数の個数: 36

約数和(自身を含む): 537576

約数和(自身を除く): 325770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1681, 1722, 2583, 3362, 5043, 5166, 10086, 11767, 15129, 23534, 30258, 35301, 70602, 105903, 211806]

約数ペア:

[(1, 211806), (2, 105903), (3, 70602), (6, 35301), (7, 30258), (9, 23534), (14, 15129), (18, 11767), (21, 10086), (41, 5166), (42, 5043), (63, 3362), (82, 2583), (123, 1722), (126, 1681), (246, 861), (287, 738), (369, 574)]