21986316

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 65049600

約数和(自身を除く): 43063284

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 54, 62, 66, 81, 93, 99, 108, 124, 132, 162, 186, 198, 199, 279, 297, 324, 341, 372, 396, 398, 558, 594, 597, 682, 796, 837, 891, 1023, 1116, 1188, 1194, 1364, 1674, 1782, 1791, 2046, 2189, 2388, 2511, 3069, 3348, 3564, 3582, 4092, 4378, 5022, 5373, 6138, 6169, 6567, 7164, 8756, 9207, 10044, 10746, 12276, 12338, 13134, 16119, 18414, 18507, 19701, 21492, 24676, 26268, 27621, 32238, 36828, 37014, 39402, 55242, 55521, 59103, 64476, 67859, 74028, 78804, 110484, 111042, 118206, 135718, 166563, 177309, 203577, 222084, 236412, 271436, 333126, 354618, 407154, 499689, 610731, 666252, 709236, 814308, 999378, 1221462, 1832193, 1998756, 2442924, 3664386, 5496579, 7328772, 10993158, 21986316]

約数ペア:

[(1, 21986316), (2, 10993158), (3, 7328772), (4, 5496579), (6, 3664386), (9, 2442924), (11, 1998756), (12, 1832193), (18, 1221462), (22, 999378), (27, 814308), (31, 709236), (33, 666252), (36, 610731), (44, 499689), (54, 407154), (62, 354618), (66, 333126), (81, 271436), (93, 236412), (99, 222084), (108, 203577), (124, 177309), (132, 166563), (162, 135718), (186, 118206), (198, 111042), (199, 110484), (279, 78804), (297, 74028), (324, 67859), (341, 64476), (372, 59103), (396, 55521), (398, 55242), (558, 39402), (594, 37014), (597, 36828), (682, 32238), (796, 27621), (837, 26268), (891, 24676), (1023, 21492), (1116, 19701), (1188, 18507), (1194, 18414), (1364, 16119), (1674, 13134), (1782, 12338), (1791, 12276), (2046, 10746), (2189, 10044), (2388, 9207), (2511, 8756), (3069, 7164), (3348, 6567), (3564, 6169), (3582, 6138), (4092, 5373), (4378, 5022)]