21082600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 62808480

約数和(自身を除く): 41725880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 37, 40, 44, 50, 55, 56, 70, 74, 77, 88, 100, 110, 140, 148, 154, 175, 185, 200, 220, 259, 275, 280, 296, 308, 350, 370, 385, 407, 440, 518, 550, 616, 700, 740, 770, 814, 925, 1036, 1100, 1295, 1369, 1400, 1480, 1540, 1628, 1850, 1925, 2035, 2072, 2200, 2590, 2738, 2849, 3080, 3256, 3700, 3850, 4070, 5180, 5476, 5698, 6475, 6845, 7400, 7700, 8140, 9583, 10175, 10360, 10952, 11396, 12950, 13690, 14245, 15059, 15400, 16280, 19166, 20350, 22792, 25900, 27380, 28490, 30118, 34225, 38332, 40700, 47915, 51800, 54760, 56980, 60236, 68450, 71225, 75295, 76664, 81400, 95830, 105413, 113960, 120472, 136900, 142450, 150590, 191660, 210826, 239575, 273800, 284900, 301180, 376475, 383320, 421652, 479150, 527065, 569800, 602360, 752950, 843304, 958300, 1054130, 1505900, 1916600, 2108260, 2635325, 3011800, 4216520, 5270650, 10541300, 21082600]

約数ペア:

[(1, 21082600), (2, 10541300), (4, 5270650), (5, 4216520), (7, 3011800), (8, 2635325), (10, 2108260), (11, 1916600), (14, 1505900), (20, 1054130), (22, 958300), (25, 843304), (28, 752950), (35, 602360), (37, 569800), (40, 527065), (44, 479150), (50, 421652), (55, 383320), (56, 376475), (70, 301180), (74, 284900), (77, 273800), (88, 239575), (100, 210826), (110, 191660), (140, 150590), (148, 142450), (154, 136900), (175, 120472), (185, 113960), (200, 105413), (220, 95830), (259, 81400), (275, 76664), (280, 75295), (296, 71225), (308, 68450), (350, 60236), (370, 56980), (385, 54760), (407, 51800), (440, 47915), (518, 40700), (550, 38332), (616, 34225), (700, 30118), (740, 28490), (770, 27380), (814, 25900), (925, 22792), (1036, 20350), (1100, 19166), (1295, 16280), (1369, 15400), (1400, 15059), (1480, 14245), (1540, 13690), (1628, 12950), (1850, 11396), (1925, 10952), (2035, 10360), (2072, 10175), (2200, 9583), (2590, 8140), (2738, 7700), (2849, 7400), (3080, 6845), (3256, 6475), (3700, 5698), (3850, 5476), (4070, 5180)]