21495081453310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2729}}^1\times {\mathrm{208319}}^1$

素因数の和:211273

約数の個数: 64

約数和(自身を含む): 40947379200000

約数和(自身を除く): 19452297746690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 2729, 3781, 5458, 7562, 13645, 18905, 27290, 37810, 51851, 103702, 208319, 259255, 416638, 518510, 543071, 1041595, 1086142, 2083190, 2715355, 3958061, 5430710, 7916122, 10318349, 19790305, 20636698, 39580610, 41455481, 51591745, 82910962, 103183490, 207277405, 414554810, 568502551, 787654139, 1137005102, 1575308278, 2842512755, 3938270695, 5685025510, 7876541390, 10801548469, 21603096938, 54007742345, 108015484690, 113132007649, 226264015298, 565660038245, 1131320076490, 2149508145331, 4299016290662, 10747540726655, 21495081453310]

約数ペア:

[(1, 21495081453310), (2, 10747540726655), (5, 4299016290662), (10, 2149508145331), (19, 1131320076490), (38, 565660038245), (95, 226264015298), (190, 113132007649), (199, 108015484690), (398, 54007742345), (995, 21603096938), (1990, 10801548469), (2729, 7876541390), (3781, 5685025510), (5458, 3938270695), (7562, 2842512755), (13645, 1575308278), (18905, 1137005102), (27290, 787654139), (37810, 568502551), (51851, 414554810), (103702, 207277405), (208319, 103183490), (259255, 82910962), (416638, 51591745), (518510, 41455481), (543071, 39580610), (1041595, 20636698), (1086142, 19790305), (2083190, 10318349), (2715355, 7916122), (3958061, 5430710)]