21671352

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 40245048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 97, 107, 116, 174, 194, 214, 232, 261, 291, 321, 348, 388, 428, 522, 582, 642, 696, 776, 856, 873, 963, 1044, 1164, 1284, 1746, 1926, 2088, 2328, 2568, 2813, 3103, 3492, 3852, 5626, 6206, 6984, 7704, 8439, 9309, 10379, 11252, 12412, 16878, 18618, 20758, 22504, 24824, 25317, 27927, 31137, 33756, 37236, 41516, 50634, 55854, 62274, 67512, 74472, 83032, 93411, 101268, 111708, 124548, 186822, 202536, 223416, 249096, 300991, 373644, 601982, 747288, 902973, 1203964, 1805946, 2407928, 2708919, 3611892, 5417838, 7223784, 10835676, 21671352]

約数ペア:

[(1, 21671352), (2, 10835676), (3, 7223784), (4, 5417838), (6, 3611892), (8, 2708919), (9, 2407928), (12, 1805946), (18, 1203964), (24, 902973), (29, 747288), (36, 601982), (58, 373644), (72, 300991), (87, 249096), (97, 223416), (107, 202536), (116, 186822), (174, 124548), (194, 111708), (214, 101268), (232, 93411), (261, 83032), (291, 74472), (321, 67512), (348, 62274), (388, 55854), (428, 50634), (522, 41516), (582, 37236), (642, 33756), (696, 31137), (776, 27927), (856, 25317), (873, 24824), (963, 22504), (1044, 20758), (1164, 18618), (1284, 16878), (1746, 12412), (1926, 11252), (2088, 10379), (2328, 9309), (2568, 8439), (2813, 7704), (3103, 6984), (3492, 6206), (3852, 5626)]