2154222

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 5644800

約数和(自身を除く): 3490578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 82, 123, 126, 139, 189, 246, 278, 287, 369, 378, 417, 574, 738, 834, 861, 973, 1107, 1251, 1722, 1946, 2214, 2502, 2583, 2919, 3753, 5166, 5699, 5838, 7506, 7749, 8757, 11398, 15498, 17097, 17514, 26271, 34194, 39893, 51291, 52542, 79786, 102582, 119679, 153873, 239358, 307746, 359037, 718074, 1077111, 2154222]

約数ペア:

[(1, 2154222), (2, 1077111), (3, 718074), (6, 359037), (7, 307746), (9, 239358), (14, 153873), (18, 119679), (21, 102582), (27, 79786), (41, 52542), (42, 51291), (54, 39893), (63, 34194), (82, 26271), (123, 17514), (126, 17097), (139, 15498), (189, 11398), (246, 8757), (278, 7749), (287, 7506), (369, 5838), (378, 5699), (417, 5166), (574, 3753), (738, 2919), (834, 2583), (861, 2502), (973, 2214), (1107, 1946), (1251, 1722)]