21977186

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 46785600

約数和(自身を除く): 24808414

約数列:

[1, 2, 7, 11, 14, 19, 22, 29, 37, 38, 49, 58, 74, 77, 98, 133, 154, 203, 209, 259, 266, 319, 406, 407, 418, 518, 539, 551, 638, 703, 814, 931, 1073, 1078, 1102, 1406, 1421, 1463, 1813, 1862, 2146, 2233, 2842, 2849, 2926, 3626, 3857, 4466, 4921, 5698, 6061, 7511, 7714, 7733, 9842, 10241, 11803, 12122, 15022, 15466, 15631, 19943, 20387, 20482, 23606, 26999, 31262, 34447, 39886, 40774, 42427, 52577, 53998, 54131, 68894, 82621, 84854, 105154, 108262, 142709, 165242, 224257, 285418, 296989, 378917, 448514, 578347, 593978, 757834, 998963, 1156694, 1569799, 1997926, 3139598, 10988593, 21977186]

約数ペア:

[(1, 21977186), (2, 10988593), (7, 3139598), (11, 1997926), (14, 1569799), (19, 1156694), (22, 998963), (29, 757834), (37, 593978), (38, 578347), (49, 448514), (58, 378917), (74, 296989), (77, 285418), (98, 224257), (133, 165242), (154, 142709), (203, 108262), (209, 105154), (259, 84854), (266, 82621), (319, 68894), (406, 54131), (407, 53998), (418, 52577), (518, 42427), (539, 40774), (551, 39886), (638, 34447), (703, 31262), (814, 26999), (931, 23606), (1073, 20482), (1078, 20387), (1102, 19943), (1406, 15631), (1421, 15466), (1463, 15022), (1813, 12122), (1862, 11803), (2146, 10241), (2233, 9842), (2842, 7733), (2849, 7714), (2926, 7511), (3626, 6061), (3857, 5698), (4466, 4921)]