21073248

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10453}}^1$

素因数の和:10476

約数の個数: 72

約数和(自身を含む): 68494608

約数和(自身を除く): 47421360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10453, 20906, 31359, 41812, 62718, 73171, 83624, 94077, 125436, 146342, 167248, 188154, 219513, 250872, 292684, 334496, 376308, 439026, 501744, 585368, 658539, 752616, 878052, 1003488, 1170736, 1317078, 1505232, 1756104, 2341472, 2634156, 3010464, 3512208, 5268312, 7024416, 10536624, 21073248]

約数ペア:

[(1, 21073248), (2, 10536624), (3, 7024416), (4, 5268312), (6, 3512208), (7, 3010464), (8, 2634156), (9, 2341472), (12, 1756104), (14, 1505232), (16, 1317078), (18, 1170736), (21, 1003488), (24, 878052), (28, 752616), (32, 658539), (36, 585368), (42, 501744), (48, 439026), (56, 376308), (63, 334496), (72, 292684), (84, 250872), (96, 219513), (112, 188154), (126, 167248), (144, 146342), (168, 125436), (224, 94077), (252, 83624), (288, 73171), (336, 62718), (504, 41812), (672, 31359), (1008, 20906), (2016, 10453)]