21155200

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{601}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 57105720

約数和(自身を除く): 35950520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 601, 640, 704, 800, 880, 1100, 1202, 1408, 1600, 1760, 2200, 2404, 3005, 3200, 3520, 4400, 4808, 6010, 6611, 7040, 8800, 9616, 12020, 13222, 15025, 17600, 19232, 24040, 26444, 30050, 33055, 35200, 38464, 48080, 52888, 60100, 66110, 76928, 96160, 105776, 120200, 132220, 165275, 192320, 211552, 240400, 264440, 330550, 384640, 423104, 480800, 528880, 661100, 846208, 961600, 1057760, 1322200, 1923200, 2115520, 2644400, 4231040, 5288800, 10577600, 21155200]

約数ペア:

[(1, 21155200), (2, 10577600), (4, 5288800), (5, 4231040), (8, 2644400), (10, 2115520), (11, 1923200), (16, 1322200), (20, 1057760), (22, 961600), (25, 846208), (32, 661100), (40, 528880), (44, 480800), (50, 423104), (55, 384640), (64, 330550), (80, 264440), (88, 240400), (100, 211552), (110, 192320), (128, 165275), (160, 132220), (176, 120200), (200, 105776), (220, 96160), (275, 76928), (320, 66110), (352, 60100), (400, 52888), (440, 48080), (550, 38464), (601, 35200), (640, 33055), (704, 30050), (800, 26444), (880, 24040), (1100, 19232), (1202, 17600), (1408, 15025), (1600, 13222), (1760, 12020), (2200, 9616), (2404, 8800), (3005, 7040), (3200, 6611), (3520, 6010), (4400, 4808)]