21328049057

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1\times {\mathrm{1061}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 25974514944

約数和(自身を除く): 4646465887

約数列:

[1, 7, 17, 119, 251, 673, 1061, 1757, 4267, 4711, 7427, 11441, 18037, 29869, 80087, 126259, 168923, 266311, 714053, 1182461, 1864177, 2871691, 4527287, 4998371, 12138901, 20101837, 31691009, 84972307, 179227303, 1254591121, 3046864151, 21328049057]

約数ペア:

[(1, 21328049057), (7, 3046864151), (17, 1254591121), (119, 179227303), (251, 84972307), (673, 31691009), (1061, 20101837), (1757, 12138901), (4267, 4998371), (4711, 4527287), (7427, 2871691), (11441, 1864177), (18037, 1182461), (29869, 714053), (80087, 266311), (126259, 168923)]