21449176

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1061}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 48554640

約数和(自身を除く): 27105464

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1061, 1064, 1444, 2122, 2527, 2888, 4244, 5054, 7427, 8488, 10108, 14854, 20159, 20216, 29708, 40318, 59416, 80636, 141113, 161272, 282226, 383021, 564452, 766042, 1128904, 1532084, 2681147, 3064168, 5362294, 10724588, 21449176]

約数ペア:

[(1, 21449176), (2, 10724588), (4, 5362294), (7, 3064168), (8, 2681147), (14, 1532084), (19, 1128904), (28, 766042), (38, 564452), (56, 383021), (76, 282226), (133, 161272), (152, 141113), (266, 80636), (361, 59416), (532, 40318), (722, 29708), (1061, 20216), (1064, 20159), (1444, 14854), (2122, 10108), (2527, 8488), (2888, 7427), (4244, 5054)]