21909100108

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^3\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 48300067200

約数和(自身を除く): 26390967092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 361, 379, 532, 602, 722, 758, 817, 931, 1204, 1444, 1516, 1634, 1862, 2107, 2527, 2653, 3268, 3724, 4214, 5054, 5306, 5719, 6859, 7201, 8428, 10108, 10612, 11438, 13718, 14402, 15523, 16297, 17689, 18571, 22876, 27436, 28804, 31046, 32594, 35378, 37142, 40033, 48013, 50407, 62092, 65188, 70756, 74284, 80066, 96026, 100814, 108661, 114079, 136819, 160132, 192052, 201628, 217322, 228158, 273638, 294937, 309643, 336091, 352849, 434644, 456316, 547276, 589874, 619286, 672182, 705698, 760627, 798553, 957733, 1179748, 1238572, 1344364, 1411396, 1521254, 1597106, 1915466, 2064559, 2167501, 2599561, 3042508, 3194212, 3830932, 4129118, 4335002, 5199122, 5883217, 6704131, 8258236, 8670004, 10398244, 11766434, 13408262, 14451913, 15172507, 18196927, 23532868, 26816524, 28903826, 30345014, 36393854, 41182519, 57807652, 60690028, 72787708, 82365038, 111781123, 127378489, 164730076, 223562246, 254756978, 288277633, 447124492, 509513956, 576555266, 782467861, 1153110532, 1564935722, 3129871444, 5477275027, 10954550054, 21909100108]

約数ペア:

[(1, 21909100108), (2, 10954550054), (4, 5477275027), (7, 3129871444), (14, 1564935722), (19, 1153110532), (28, 782467861), (38, 576555266), (43, 509513956), (49, 447124492), (76, 288277633), (86, 254756978), (98, 223562246), (133, 164730076), (172, 127378489), (196, 111781123), (266, 82365038), (301, 72787708), (361, 60690028), (379, 57807652), (532, 41182519), (602, 36393854), (722, 30345014), (758, 28903826), (817, 26816524), (931, 23532868), (1204, 18196927), (1444, 15172507), (1516, 14451913), (1634, 13408262), (1862, 11766434), (2107, 10398244), (2527, 8670004), (2653, 8258236), (3268, 6704131), (3724, 5883217), (4214, 5199122), (5054, 4335002), (5306, 4129118), (5719, 3830932), (6859, 3194212), (7201, 3042508), (8428, 2599561), (10108, 2167501), (10612, 2064559), (11438, 1915466), (13718, 1597106), (14402, 1521254), (15523, 1411396), (16297, 1344364), (17689, 1238572), (18571, 1179748), (22876, 957733), (27436, 798553), (28804, 760627), (31046, 705698), (32594, 672182), (35378, 619286), (37142, 589874), (40033, 547276), (48013, 456316), (50407, 434644), (62092, 352849), (65188, 336091), (70756, 309643), (74284, 294937), (80066, 273638), (96026, 228158), (100814, 217322), (108661, 201628), (114079, 192052), (136819, 160132)]