21299418

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 38454822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 38, 41, 42, 49, 57, 62, 63, 82, 93, 98, 114, 123, 126, 133, 147, 171, 186, 217, 246, 266, 279, 287, 294, 342, 369, 399, 434, 441, 558, 574, 589, 651, 738, 779, 798, 861, 882, 931, 1178, 1197, 1271, 1302, 1519, 1558, 1722, 1767, 1862, 1953, 2009, 2337, 2394, 2542, 2583, 2793, 3038, 3534, 3813, 3906, 4018, 4123, 4557, 4674, 5166, 5301, 5453, 5586, 6027, 7011, 7626, 8246, 8379, 8897, 9114, 10602, 10906, 11439, 12054, 12369, 13671, 14022, 16359, 16758, 17794, 18081, 22878, 24149, 24738, 26691, 27342, 28861, 32718, 36162, 37107, 38171, 48298, 49077, 53382, 57722, 62279, 72447, 74214, 76342, 80073, 86583, 98154, 114513, 124558, 144894, 160146, 169043, 173166, 186837, 217341, 229026, 259749, 338086, 343539, 373674, 434682, 507129, 519498, 560511, 687078, 1014258, 1121022, 1183301, 1521387, 2366602, 3042774, 3549903, 7099806, 10649709, 21299418]

約数ペア:

[(1, 21299418), (2, 10649709), (3, 7099806), (6, 3549903), (7, 3042774), (9, 2366602), (14, 1521387), (18, 1183301), (19, 1121022), (21, 1014258), (31, 687078), (38, 560511), (41, 519498), (42, 507129), (49, 434682), (57, 373674), (62, 343539), (63, 338086), (82, 259749), (93, 229026), (98, 217341), (114, 186837), (123, 173166), (126, 169043), (133, 160146), (147, 144894), (171, 124558), (186, 114513), (217, 98154), (246, 86583), (266, 80073), (279, 76342), (287, 74214), (294, 72447), (342, 62279), (369, 57722), (399, 53382), (434, 49077), (441, 48298), (558, 38171), (574, 37107), (589, 36162), (651, 32718), (738, 28861), (779, 27342), (798, 26691), (861, 24738), (882, 24149), (931, 22878), (1178, 18081), (1197, 17794), (1271, 16758), (1302, 16359), (1519, 14022), (1558, 13671), (1722, 12369), (1767, 12054), (1862, 11439), (1953, 10906), (2009, 10602), (2337, 9114), (2394, 8897), (2542, 8379), (2583, 8246), (2793, 7626), (3038, 7011), (3534, 6027), (3813, 5586), (3906, 5453), (4018, 5301), (4123, 5166), (4557, 4674)]