21188160

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1051}}^1$

素因数の和:1081

約数の個数: 168

約数和(自身を含む): 83368896

約数和(自身を除く): 62180736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1051, 1120, 1260, 1344, 1440, 1680, 2016, 2102, 2240, 2520, 2880, 3153, 3360, 4032, 4204, 5040, 5255, 6306, 6720, 7357, 8408, 9459, 10080, 10510, 12612, 14714, 15765, 16816, 18918, 20160, 21020, 22071, 25224, 29428, 31530, 33632, 36785, 37836, 42040, 44142, 47295, 50448, 58856, 63060, 66213, 67264, 73570, 75672, 84080, 88284, 94590, 100896, 110355, 117712, 126120, 132426, 147140, 151344, 168160, 176568, 189180, 201792, 220710, 235424, 252240, 264852, 294280, 302688, 331065, 336320, 353136, 378360, 441420, 470848, 504480, 529704, 588560, 605376, 662130, 706272, 756720, 882840, 1008960, 1059408, 1177120, 1324260, 1412544, 1513440, 1765680, 2118816, 2354240, 2648520, 3026880, 3531360, 4237632, 5297040, 7062720, 10594080, 21188160]

約数ペア:

[(1, 21188160), (2, 10594080), (3, 7062720), (4, 5297040), (5, 4237632), (6, 3531360), (7, 3026880), (8, 2648520), (9, 2354240), (10, 2118816), (12, 1765680), (14, 1513440), (15, 1412544), (16, 1324260), (18, 1177120), (20, 1059408), (21, 1008960), (24, 882840), (28, 756720), (30, 706272), (32, 662130), (35, 605376), (36, 588560), (40, 529704), (42, 504480), (45, 470848), (48, 441420), (56, 378360), (60, 353136), (63, 336320), (64, 331065), (70, 302688), (72, 294280), (80, 264852), (84, 252240), (90, 235424), (96, 220710), (105, 201792), (112, 189180), (120, 176568), (126, 168160), (140, 151344), (144, 147140), (160, 132426), (168, 126120), (180, 117712), (192, 110355), (210, 100896), (224, 94590), (240, 88284), (252, 84080), (280, 75672), (288, 73570), (315, 67264), (320, 66213), (336, 63060), (360, 58856), (420, 50448), (448, 47295), (480, 44142), (504, 42040), (560, 37836), (576, 36785), (630, 33632), (672, 31530), (720, 29428), (840, 25224), (960, 22071), (1008, 21020), (1051, 20160), (1120, 18918), (1260, 16816), (1344, 15765), (1440, 14714), (1680, 12612), (2016, 10510), (2102, 10080), (2240, 9459), (2520, 8408), (2880, 7357), (3153, 6720), (3360, 6306), (4032, 5255), (4204, 5040)]