21468197660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{620827}}^1$

素因数の和:620875

約数の個数: 96

約数和(自身を含む): 58407498240

約数和(自身を除く): 36939300580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8645, 17290, 34580, 620827, 1241654, 2483308, 3104135, 4345789, 6208270, 8070751, 8691578, 11795713, 12416540, 16141502, 17383156, 21728945, 23591426, 32283004, 40353755, 43457890, 47182852, 56495257, 58978565, 80707510, 82569991, 86915780, 112990514, 117957130, 153344269, 161415020, 165139982, 225981028, 235914260, 282476285, 306688538, 330279964, 412849955, 564952570, 613377076, 766721345, 825699910, 1073409883, 1129905140, 1533442690, 1651399820, 2146819766, 3066885380, 4293639532, 5367049415, 10734098830, 21468197660]

約数ペア:

[(1, 21468197660), (2, 10734098830), (4, 5367049415), (5, 4293639532), (7, 3066885380), (10, 2146819766), (13, 1651399820), (14, 1533442690), (19, 1129905140), (20, 1073409883), (26, 825699910), (28, 766721345), (35, 613377076), (38, 564952570), (52, 412849955), (65, 330279964), (70, 306688538), (76, 282476285), (91, 235914260), (95, 225981028), (130, 165139982), (133, 161415020), (140, 153344269), (182, 117957130), (190, 112990514), (247, 86915780), (260, 82569991), (266, 80707510), (364, 58978565), (380, 56495257), (455, 47182852), (494, 43457890), (532, 40353755), (665, 32283004), (910, 23591426), (988, 21728945), (1235, 17383156), (1330, 16141502), (1729, 12416540), (1820, 11795713), (2470, 8691578), (2660, 8070751), (3458, 6208270), (4940, 4345789), (6916, 3104135), (8645, 2483308), (17290, 1241654), (34580, 620827)]