21175968

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{1823}}^1$

素因数の和:1858

約数の個数: 72

約数和(自身を含む): 61133184

約数和(自身を除く): 39957216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 121, 132, 176, 242, 264, 352, 363, 484, 528, 726, 968, 1056, 1452, 1823, 1936, 2904, 3646, 3872, 5469, 5808, 7292, 10938, 11616, 14584, 20053, 21876, 29168, 40106, 43752, 58336, 60159, 80212, 87504, 120318, 160424, 175008, 220583, 240636, 320848, 441166, 481272, 641696, 661749, 882332, 962544, 1323498, 1764664, 1925088, 2646996, 3529328, 5293992, 7058656, 10587984, 21175968]

約数ペア:

[(1, 21175968), (2, 10587984), (3, 7058656), (4, 5293992), (6, 3529328), (8, 2646996), (11, 1925088), (12, 1764664), (16, 1323498), (22, 962544), (24, 882332), (32, 661749), (33, 641696), (44, 481272), (48, 441166), (66, 320848), (88, 240636), (96, 220583), (121, 175008), (132, 160424), (176, 120318), (242, 87504), (264, 80212), (352, 60159), (363, 58336), (484, 43752), (528, 40106), (726, 29168), (968, 21876), (1056, 20053), (1452, 14584), (1823, 11616), (1936, 10938), (2904, 7292), (3646, 5808), (3872, 5469)]