21639742

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1356

約数の個数: 24

約数和(自身を含む): 35697960

約数和(自身を除く): 14058218

約数列:

[1, 2, 17, 29, 34, 58, 289, 493, 578, 986, 1291, 2582, 8381, 16762, 21947, 37439, 43894, 74878, 373099, 636463, 746198, 1272926, 10819871, 21639742]

約数ペア:

[(1, 21639742), (2, 10819871), (17, 1272926), (29, 746198), (34, 636463), (58, 373099), (289, 74878), (493, 43894), (578, 37439), (986, 21947), (1291, 16762), (2582, 8381)]