21393120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6367}}^1$

素因数の和:6392

約数の個数: 96

約数和(自身を含む): 77027328

約数和(自身を除く): 55634208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6367, 12734, 19101, 25468, 31835, 38202, 44569, 50936, 63670, 76404, 89138, 95505, 101872, 127340, 133707, 152808, 178276, 191010, 203744, 222845, 254680, 267414, 305616, 356552, 382020, 445690, 509360, 534828, 611232, 668535, 713104, 764040, 891380, 1018720, 1069656, 1337070, 1426208, 1528080, 1782760, 2139312, 2674140, 3056160, 3565520, 4278624, 5348280, 7131040, 10696560, 21393120]

約数ペア:

[(1, 21393120), (2, 10696560), (3, 7131040), (4, 5348280), (5, 4278624), (6, 3565520), (7, 3056160), (8, 2674140), (10, 2139312), (12, 1782760), (14, 1528080), (15, 1426208), (16, 1337070), (20, 1069656), (21, 1018720), (24, 891380), (28, 764040), (30, 713104), (32, 668535), (35, 611232), (40, 534828), (42, 509360), (48, 445690), (56, 382020), (60, 356552), (70, 305616), (80, 267414), (84, 254680), (96, 222845), (105, 203744), (112, 191010), (120, 178276), (140, 152808), (160, 133707), (168, 127340), (210, 101872), (224, 95505), (240, 89138), (280, 76404), (336, 63670), (420, 50936), (480, 44569), (560, 38202), (672, 31835), (840, 25468), (1120, 19101), (1680, 12734), (3360, 6367)]