21564400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 180

約数和(自身を含む): 63310680

約数和(自身を除く): 41746280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 29, 40, 44, 50, 52, 55, 58, 65, 80, 88, 100, 104, 110, 116, 130, 143, 145, 169, 176, 200, 208, 220, 232, 260, 275, 286, 290, 319, 325, 338, 377, 400, 440, 464, 520, 550, 572, 580, 638, 650, 676, 715, 725, 754, 845, 880, 1040, 1100, 1144, 1160, 1276, 1300, 1352, 1430, 1450, 1508, 1595, 1690, 1859, 1885, 2200, 2288, 2320, 2552, 2600, 2704, 2860, 2900, 3016, 3190, 3380, 3575, 3718, 3770, 4147, 4225, 4400, 4901, 5104, 5200, 5720, 5800, 6032, 6380, 6760, 7150, 7436, 7540, 7975, 8294, 8450, 9295, 9425, 9802, 11440, 11600, 12760, 13520, 14300, 14872, 15080, 15950, 16588, 16900, 18590, 18850, 19604, 20735, 24505, 25520, 28600, 29744, 30160, 31900, 33176, 33800, 37180, 37700, 39208, 41470, 46475, 49010, 53911, 57200, 63800, 66352, 67600, 74360, 75400, 78416, 82940, 92950, 98020, 103675, 107822, 122525, 127600, 148720, 150800, 165880, 185900, 196040, 207350, 215644, 245050, 269555, 331760, 371800, 392080, 414700, 431288, 490100, 539110, 743600, 829400, 862576, 980200, 1078220, 1347775, 1658800, 1960400, 2156440, 2695550, 4312880, 5391100, 10782200, 21564400]

約数ペア:

[(1, 21564400), (2, 10782200), (4, 5391100), (5, 4312880), (8, 2695550), (10, 2156440), (11, 1960400), (13, 1658800), (16, 1347775), (20, 1078220), (22, 980200), (25, 862576), (26, 829400), (29, 743600), (40, 539110), (44, 490100), (50, 431288), (52, 414700), (55, 392080), (58, 371800), (65, 331760), (80, 269555), (88, 245050), (100, 215644), (104, 207350), (110, 196040), (116, 185900), (130, 165880), (143, 150800), (145, 148720), (169, 127600), (176, 122525), (200, 107822), (208, 103675), (220, 98020), (232, 92950), (260, 82940), (275, 78416), (286, 75400), (290, 74360), (319, 67600), (325, 66352), (338, 63800), (377, 57200), (400, 53911), (440, 49010), (464, 46475), (520, 41470), (550, 39208), (572, 37700), (580, 37180), (638, 33800), (650, 33176), (676, 31900), (715, 30160), (725, 29744), (754, 28600), (845, 25520), (880, 24505), (1040, 20735), (1100, 19604), (1144, 18850), (1160, 18590), (1276, 16900), (1300, 16588), (1352, 15950), (1430, 15080), (1450, 14872), (1508, 14300), (1595, 13520), (1690, 12760), (1859, 11600), (1885, 11440), (2200, 9802), (2288, 9425), (2320, 9295), (2552, 8450), (2600, 8294), (2704, 7975), (2860, 7540), (2900, 7436), (3016, 7150), (3190, 6760), (3380, 6380), (3575, 6032), (3718, 5800), (3770, 5720), (4147, 5200), (4225, 5104), (4400, 4901)]