21809172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23603}}^1$

素因数の和:23628

約数の個数: 48

約数和(自身を含む): 63447552

約数和(自身を除く): 41638380

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 23603, 47206, 70809, 94412, 141618, 165221, 259633, 283236, 330442, 495663, 519266, 660884, 778899, 991326, 1038532, 1557798, 1817431, 1982652, 3115596, 3634862, 5452293, 7269724, 10904586, 21809172]

約数ペア:

[(1, 21809172), (2, 10904586), (3, 7269724), (4, 5452293), (6, 3634862), (7, 3115596), (11, 1982652), (12, 1817431), (14, 1557798), (21, 1038532), (22, 991326), (28, 778899), (33, 660884), (42, 519266), (44, 495663), (66, 330442), (77, 283236), (84, 259633), (132, 165221), (154, 141618), (231, 94412), (308, 70809), (462, 47206), (924, 23603)]