21497344

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{347}}^1$

素因数の和:387

約数の個数: 60

約数和(自身を含む): 47348532

約数和(自身を除く): 25851188

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 256, 347, 352, 484, 512, 694, 704, 968, 1388, 1408, 1936, 2776, 2816, 3817, 3872, 5552, 5632, 7634, 7744, 11104, 15268, 15488, 22208, 30536, 30976, 41987, 44416, 61072, 61952, 83974, 88832, 122144, 167948, 177664, 244288, 335896, 488576, 671792, 977152, 1343584, 1954304, 2687168, 5374336, 10748672, 21497344]

約数ペア:

[(1, 21497344), (2, 10748672), (4, 5374336), (8, 2687168), (11, 1954304), (16, 1343584), (22, 977152), (32, 671792), (44, 488576), (64, 335896), (88, 244288), (121, 177664), (128, 167948), (176, 122144), (242, 88832), (256, 83974), (347, 61952), (352, 61072), (484, 44416), (512, 41987), (694, 30976), (704, 30536), (968, 22208), (1388, 15488), (1408, 15268), (1936, 11104), (2776, 7744), (2816, 7634), (3817, 5632), (3872, 5552)]