21116480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:892

約数の個数: 112

約数和(自身を含む): 62764416

約数和(自身を除く): 41647936

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 857, 880, 1120, 1232, 1540, 1714, 1760, 2240, 2464, 3080, 3428, 3520, 4285, 4928, 5999, 6160, 6856, 8570, 9427, 11998, 12320, 13712, 17140, 18854, 23996, 24640, 27424, 29995, 34280, 37708, 47135, 47992, 54848, 59990, 65989, 68560, 75416, 94270, 95984, 119980, 131978, 137120, 150832, 188540, 191968, 239960, 263956, 274240, 301664, 329945, 377080, 383936, 479920, 527912, 603328, 659890, 754160, 959840, 1055824, 1319780, 1508320, 1919680, 2111648, 2639560, 3016640, 4223296, 5279120, 10558240, 21116480]

約数ペア:

[(1, 21116480), (2, 10558240), (4, 5279120), (5, 4223296), (7, 3016640), (8, 2639560), (10, 2111648), (11, 1919680), (14, 1508320), (16, 1319780), (20, 1055824), (22, 959840), (28, 754160), (32, 659890), (35, 603328), (40, 527912), (44, 479920), (55, 383936), (56, 377080), (64, 329945), (70, 301664), (77, 274240), (80, 263956), (88, 239960), (110, 191968), (112, 188540), (140, 150832), (154, 137120), (160, 131978), (176, 119980), (220, 95984), (224, 94270), (280, 75416), (308, 68560), (320, 65989), (352, 59990), (385, 54848), (440, 47992), (448, 47135), (560, 37708), (616, 34280), (704, 29995), (770, 27424), (857, 24640), (880, 23996), (1120, 18854), (1232, 17140), (1540, 13712), (1714, 12320), (1760, 11998), (2240, 9427), (2464, 8570), (3080, 6856), (3428, 6160), (3520, 5999), (4285, 4928)]