21158214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1181

約数の個数: 64

約数和(自身を含む): 54093312

約数和(自身を除く): 32935098

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 41, 42, 66, 77, 82, 123, 154, 231, 246, 287, 451, 462, 574, 861, 902, 1117, 1353, 1722, 2234, 2706, 3157, 3351, 6314, 6702, 7819, 9471, 12287, 15638, 18942, 23457, 24574, 36861, 45797, 46914, 73722, 86009, 91594, 137391, 172018, 258027, 274782, 320579, 503767, 516054, 641158, 961737, 1007534, 1511301, 1923474, 3022602, 3526369, 7052738, 10579107, 21158214]

約数ペア:

[(1, 21158214), (2, 10579107), (3, 7052738), (6, 3526369), (7, 3022602), (11, 1923474), (14, 1511301), (21, 1007534), (22, 961737), (33, 641158), (41, 516054), (42, 503767), (66, 320579), (77, 274782), (82, 258027), (123, 172018), (154, 137391), (231, 91594), (246, 86009), (287, 73722), (451, 46914), (462, 45797), (574, 36861), (861, 24574), (902, 23457), (1117, 18942), (1353, 15638), (1722, 12287), (2234, 9471), (2706, 7819), (3157, 6702), (3351, 6314)]