210905212

素因数分解:

$2^2\times 7^3\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 432633600

約数和(自身を除く): 221728388

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 347, 443, 686, 694, 886, 1372, 1388, 1772, 2429, 3101, 4858, 6202, 9716, 12404, 17003, 21707, 34006, 43414, 68012, 86828, 119021, 151949, 153721, 238042, 303898, 307442, 476084, 607796, 614884, 1076047, 2152094, 4304188, 7532329, 15064658, 30129316, 52726303, 105452606, 210905212]

約数ペア:

[(1, 210905212), (2, 105452606), (4, 52726303), (7, 30129316), (14, 15064658), (28, 7532329), (49, 4304188), (98, 2152094), (196, 1076047), (343, 614884), (347, 607796), (443, 476084), (686, 307442), (694, 303898), (886, 238042), (1372, 153721), (1388, 151949), (1772, 119021), (2429, 86828), (3101, 68012), (4858, 43414), (6202, 34006), (9716, 21707), (12404, 17003)]