21992082

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 56033280

約数和(自身を除く): 34041198

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 49, 57, 62, 93, 98, 114, 127, 133, 147, 186, 217, 254, 266, 294, 381, 399, 434, 589, 651, 762, 798, 889, 931, 1178, 1302, 1519, 1767, 1778, 1862, 2413, 2667, 2793, 3038, 3534, 3937, 4123, 4557, 4826, 5334, 5586, 6223, 7239, 7874, 8246, 9114, 11811, 12369, 12446, 14478, 16891, 18669, 23622, 24738, 27559, 28861, 33782, 37338, 50673, 55118, 57722, 74803, 82677, 86583, 101346, 118237, 149606, 165354, 173166, 192913, 224409, 236474, 354711, 385826, 448818, 523621, 578739, 709422, 1047242, 1157478, 1570863, 3141726, 3665347, 7330694, 10996041, 21992082]

約数ペア:

[(1, 21992082), (2, 10996041), (3, 7330694), (6, 3665347), (7, 3141726), (14, 1570863), (19, 1157478), (21, 1047242), (31, 709422), (38, 578739), (42, 523621), (49, 448818), (57, 385826), (62, 354711), (93, 236474), (98, 224409), (114, 192913), (127, 173166), (133, 165354), (147, 149606), (186, 118237), (217, 101346), (254, 86583), (266, 82677), (294, 74803), (381, 57722), (399, 55118), (434, 50673), (589, 37338), (651, 33782), (762, 28861), (798, 27559), (889, 24738), (931, 23622), (1178, 18669), (1302, 16891), (1519, 14478), (1767, 12446), (1778, 12369), (1862, 11811), (2413, 9114), (2667, 8246), (2793, 7874), (3038, 7239), (3534, 6223), (3937, 5586), (4123, 5334), (4557, 4826)]