21134880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1163

約数の個数: 144

約数和(自身を含む): 77739480

約数和(自身を除く): 56604600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1129, 1170, 1248, 1440, 1560, 1872, 2080, 2258, 2340, 3120, 3387, 3744, 4516, 4680, 5645, 6240, 6774, 9032, 9360, 10161, 11290, 13548, 14677, 16935, 18064, 18720, 20322, 22580, 27096, 29354, 33870, 36128, 40644, 44031, 45160, 50805, 54192, 58708, 67740, 73385, 81288, 88062, 90320, 101610, 108384, 117416, 132093, 135480, 146770, 162576, 176124, 180640, 203220, 220155, 234832, 264186, 270960, 293540, 325152, 352248, 406440, 440310, 469664, 528372, 541920, 587080, 660465, 704496, 812880, 880620, 1056744, 1174160, 1320930, 1408992, 1625760, 1761240, 2113488, 2348320, 2641860, 3522480, 4226976, 5283720, 7044960, 10567440, 21134880]

約数ペア:

[(1, 21134880), (2, 10567440), (3, 7044960), (4, 5283720), (5, 4226976), (6, 3522480), (8, 2641860), (9, 2348320), (10, 2113488), (12, 1761240), (13, 1625760), (15, 1408992), (16, 1320930), (18, 1174160), (20, 1056744), (24, 880620), (26, 812880), (30, 704496), (32, 660465), (36, 587080), (39, 541920), (40, 528372), (45, 469664), (48, 440310), (52, 406440), (60, 352248), (65, 325152), (72, 293540), (78, 270960), (80, 264186), (90, 234832), (96, 220155), (104, 203220), (117, 180640), (120, 176124), (130, 162576), (144, 146770), (156, 135480), (160, 132093), (180, 117416), (195, 108384), (208, 101610), (234, 90320), (240, 88062), (260, 81288), (288, 73385), (312, 67740), (360, 58708), (390, 54192), (416, 50805), (468, 45160), (480, 44031), (520, 40644), (585, 36128), (624, 33870), (720, 29354), (780, 27096), (936, 22580), (1040, 20322), (1129, 18720), (1170, 18064), (1248, 16935), (1440, 14677), (1560, 13548), (1872, 11290), (2080, 10161), (2258, 9360), (2340, 9032), (3120, 6774), (3387, 6240), (3744, 5645), (4516, 4680)]