21170880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7351}}^1$

素因数の和:7374

約数の個数: 84

約数和(自身を含む): 72828912

約数和(自身を除く): 51658032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7351, 14702, 22053, 29404, 36755, 44106, 58808, 66159, 73510, 88212, 110265, 117616, 132318, 147020, 176424, 220530, 235232, 264636, 294040, 330795, 352848, 441060, 470464, 529272, 588080, 661590, 705696, 882120, 1058544, 1176160, 1323180, 1411392, 1764240, 2117088, 2352320, 2646360, 3528480, 4234176, 5292720, 7056960, 10585440, 21170880]

約数ペア:

[(1, 21170880), (2, 10585440), (3, 7056960), (4, 5292720), (5, 4234176), (6, 3528480), (8, 2646360), (9, 2352320), (10, 2117088), (12, 1764240), (15, 1411392), (16, 1323180), (18, 1176160), (20, 1058544), (24, 882120), (30, 705696), (32, 661590), (36, 588080), (40, 529272), (45, 470464), (48, 441060), (60, 352848), (64, 330795), (72, 294040), (80, 264636), (90, 235232), (96, 220530), (120, 176424), (144, 147020), (160, 132318), (180, 117616), (192, 110265), (240, 88212), (288, 73510), (320, 66159), (360, 58808), (480, 44106), (576, 36755), (720, 29404), (960, 22053), (1440, 14702), (2880, 7351)]