21687360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 224

約数和(自身を含む): 76809600

約数和(自身を除く): 55122240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 32, 38, 40, 41, 48, 57, 58, 60, 64, 76, 80, 82, 87, 95, 96, 114, 116, 120, 123, 145, 152, 160, 164, 174, 190, 192, 205, 228, 232, 240, 246, 285, 290, 304, 320, 328, 348, 380, 410, 435, 456, 464, 480, 492, 551, 570, 580, 608, 615, 656, 696, 760, 779, 820, 870, 912, 928, 960, 984, 1102, 1140, 1160, 1189, 1216, 1230, 1312, 1392, 1520, 1558, 1640, 1653, 1740, 1824, 1856, 1968, 2204, 2280, 2320, 2337, 2378, 2460, 2624, 2755, 2784, 3040, 3116, 3280, 3306, 3480, 3567, 3648, 3895, 3936, 4408, 4560, 4640, 4674, 4756, 4920, 5510, 5568, 5945, 6080, 6232, 6560, 6612, 6960, 7134, 7790, 7872, 8265, 8816, 9120, 9280, 9348, 9512, 9840, 11020, 11685, 11890, 12464, 13120, 13224, 13920, 14268, 15580, 16530, 17632, 17835, 18240, 18696, 19024, 19680, 22040, 22591, 23370, 23780, 24928, 26448, 27840, 28536, 31160, 33060, 35264, 35670, 37392, 38048, 39360, 44080, 45182, 46740, 47560, 49856, 52896, 57072, 62320, 66120, 67773, 71340, 74784, 76096, 88160, 90364, 93480, 95120, 105792, 112955, 114144, 124640, 132240, 135546, 142680, 149568, 176320, 180728, 186960, 190240, 225910, 228288, 249280, 264480, 271092, 285360, 338865, 361456, 373920, 380480, 451820, 528960, 542184, 570720, 677730, 722912, 747840, 903640, 1084368, 1141440, 1355460, 1445824, 1807280, 2168736, 2710920, 3614560, 4337472, 5421840, 7229120, 10843680, 21687360]

約数ペア:

[(1, 21687360), (2, 10843680), (3, 7229120), (4, 5421840), (5, 4337472), (6, 3614560), (8, 2710920), (10, 2168736), (12, 1807280), (15, 1445824), (16, 1355460), (19, 1141440), (20, 1084368), (24, 903640), (29, 747840), (30, 722912), (32, 677730), (38, 570720), (40, 542184), (41, 528960), (48, 451820), (57, 380480), (58, 373920), (60, 361456), (64, 338865), (76, 285360), (80, 271092), (82, 264480), (87, 249280), (95, 228288), (96, 225910), (114, 190240), (116, 186960), (120, 180728), (123, 176320), (145, 149568), (152, 142680), (160, 135546), (164, 132240), (174, 124640), (190, 114144), (192, 112955), (205, 105792), (228, 95120), (232, 93480), (240, 90364), (246, 88160), (285, 76096), (290, 74784), (304, 71340), (320, 67773), (328, 66120), (348, 62320), (380, 57072), (410, 52896), (435, 49856), (456, 47560), (464, 46740), (480, 45182), (492, 44080), (551, 39360), (570, 38048), (580, 37392), (608, 35670), (615, 35264), (656, 33060), (696, 31160), (760, 28536), (779, 27840), (820, 26448), (870, 24928), (912, 23780), (928, 23370), (960, 22591), (984, 22040), (1102, 19680), (1140, 19024), (1160, 18696), (1189, 18240), (1216, 17835), (1230, 17632), (1312, 16530), (1392, 15580), (1520, 14268), (1558, 13920), (1640, 13224), (1653, 13120), (1740, 12464), (1824, 11890), (1856, 11685), (1968, 11020), (2204, 9840), (2280, 9512), (2320, 9348), (2337, 9280), (2378, 9120), (2460, 8816), (2624, 8265), (2755, 7872), (2784, 7790), (3040, 7134), (3116, 6960), (3280, 6612), (3306, 6560), (3480, 6232), (3567, 6080), (3648, 5945), (3895, 5568), (3936, 5510), (4408, 4920), (4560, 4756), (4640, 4674)]