21384006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 52101120

約数和(自身を除く): 30717114

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 127, 133, 211, 254, 266, 381, 399, 422, 633, 762, 798, 889, 1266, 1477, 1778, 2413, 2667, 2954, 4009, 4431, 4826, 5334, 7239, 8018, 8862, 12027, 14478, 16891, 24054, 26797, 28063, 33782, 50673, 53594, 56126, 80391, 84189, 101346, 160782, 168378, 187579, 375158, 509143, 562737, 1018286, 1125474, 1527429, 3054858, 3564001, 7128002, 10692003, 21384006]

約数ペア:

[(1, 21384006), (2, 10692003), (3, 7128002), (6, 3564001), (7, 3054858), (14, 1527429), (19, 1125474), (21, 1018286), (38, 562737), (42, 509143), (57, 375158), (114, 187579), (127, 168378), (133, 160782), (211, 101346), (254, 84189), (266, 80391), (381, 56126), (399, 53594), (422, 50673), (633, 33782), (762, 28063), (798, 26797), (889, 24054), (1266, 16891), (1477, 14478), (1778, 12027), (2413, 8862), (2667, 8018), (2954, 7239), (4009, 5334), (4431, 4826)]