21570972752

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{12251}}^1$

素因数の和:12544

約数の個数: 80

約数和(自身を含む): 48615936000

約数和(自身を除く): 27044963248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 199, 316, 398, 553, 632, 796, 1106, 1264, 1393, 1592, 2212, 2786, 3184, 4424, 5572, 8848, 11144, 12251, 15721, 22288, 24502, 31442, 49004, 62884, 85757, 98008, 110047, 125768, 171514, 196016, 220094, 251536, 343028, 440188, 686056, 880376, 967829, 1372112, 1760752, 1935658, 2437949, 3871316, 4875898, 6774803, 7742632, 9751796, 13549606, 15485264, 17065643, 19503592, 27099212, 34131286, 39007184, 54198424, 68262572, 108396848, 136525144, 192597971, 273050288, 385195942, 770391884, 1348185797, 1540783768, 2696371594, 3081567536, 5392743188, 10785486376, 21570972752]

約数ペア:

[(1, 21570972752), (2, 10785486376), (4, 5392743188), (7, 3081567536), (8, 2696371594), (14, 1540783768), (16, 1348185797), (28, 770391884), (56, 385195942), (79, 273050288), (112, 192597971), (158, 136525144), (199, 108396848), (316, 68262572), (398, 54198424), (553, 39007184), (632, 34131286), (796, 27099212), (1106, 19503592), (1264, 17065643), (1393, 15485264), (1592, 13549606), (2212, 9751796), (2786, 7742632), (3184, 6774803), (4424, 4875898), (5572, 3871316), (8848, 2437949), (11144, 1935658), (12251, 1760752), (15721, 1372112), (22288, 967829), (24502, 880376), (31442, 686056), (49004, 440188), (62884, 343028), (85757, 251536), (98008, 220094), (110047, 196016), (125768, 171514)]