21898698138

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^2$

素因数の和:331

約数の個数: 180

約数和(自身を含む): 54350890110

約数和(自身を除く): 32452191972

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 81, 87, 102, 127, 153, 162, 174, 254, 261, 289, 306, 381, 459, 493, 522, 578, 762, 783, 867, 918, 986, 1143, 1377, 1479, 1566, 1734, 2159, 2286, 2349, 2601, 2754, 2958, 3429, 3683, 4318, 4437, 4698, 5202, 6477, 6858, 7366, 7803, 8381, 8874, 10287, 11049, 12954, 13311, 15606, 16129, 16762, 19431, 20574, 22098, 23409, 25143, 26622, 32258, 33147, 36703, 38862, 39933, 46818, 48387, 50286, 58293, 62611, 66294, 73406, 75429, 79866, 96774, 99441, 110109, 116586, 125222, 145161, 150858, 174879, 187833, 198882, 220218, 226287, 274193, 290322, 298323, 330327, 349758, 375666, 435483, 452574, 467741, 548386, 563499, 596646, 660654, 678861, 822579, 870966, 935482, 990981, 1064387, 1126998, 1306449, 1357722, 1403223, 1645158, 1690497, 1981962, 2128774, 2467737, 2612898, 2806446, 2972943, 3193161, 3380994, 4209669, 4661281, 4935474, 5071491, 5945886, 6386322, 7403211, 7951597, 8419338, 9322562, 9579483, 10142982, 12629007, 13983843, 14806422, 15903194, 19158966, 22209633, 23854791, 25258014, 27967686, 28738449, 37887021, 41951529, 44419266, 47709582, 57476898, 71564373, 75774042, 83903058, 86215347, 125854587, 135177149, 143128746, 172430694, 214693119, 251709174, 270354298, 377563761, 405531447, 429386238, 644079357, 755127522, 811062894, 1216594341, 1288158714, 2433188682, 3649783023, 7299566046, 10949349069, 21898698138]

約数ペア:

[(1, 21898698138), (2, 10949349069), (3, 7299566046), (6, 3649783023), (9, 2433188682), (17, 1288158714), (18, 1216594341), (27, 811062894), (29, 755127522), (34, 644079357), (51, 429386238), (54, 405531447), (58, 377563761), (81, 270354298), (87, 251709174), (102, 214693119), (127, 172430694), (153, 143128746), (162, 135177149), (174, 125854587), (254, 86215347), (261, 83903058), (289, 75774042), (306, 71564373), (381, 57476898), (459, 47709582), (493, 44419266), (522, 41951529), (578, 37887021), (762, 28738449), (783, 27967686), (867, 25258014), (918, 23854791), (986, 22209633), (1143, 19158966), (1377, 15903194), (1479, 14806422), (1566, 13983843), (1734, 12629007), (2159, 10142982), (2286, 9579483), (2349, 9322562), (2601, 8419338), (2754, 7951597), (2958, 7403211), (3429, 6386322), (3683, 5945886), (4318, 5071491), (4437, 4935474), (4698, 4661281), (5202, 4209669), (6477, 3380994), (6858, 3193161), (7366, 2972943), (7803, 2806446), (8381, 2612898), (8874, 2467737), (10287, 2128774), (11049, 1981962), (12954, 1690497), (13311, 1645158), (15606, 1403223), (16129, 1357722), (16762, 1306449), (19431, 1126998), (20574, 1064387), (22098, 990981), (23409, 935482), (25143, 870966), (26622, 822579), (32258, 678861), (33147, 660654), (36703, 596646), (38862, 563499), (39933, 548386), (46818, 467741), (48387, 452574), (50286, 435483), (58293, 375666), (62611, 349758), (66294, 330327), (73406, 298323), (75429, 290322), (79866, 274193), (96774, 226287), (99441, 220218), (110109, 198882), (116586, 187833), (125222, 174879), (145161, 150858)]