21735826

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 39716352

約数和(自身を除く): 17980526

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 271, 337, 542, 674, 1897, 2359, 3794, 4607, 4718, 5729, 9214, 11458, 32249, 40103, 64498, 80206, 91327, 182654, 639289, 1278578, 1552559, 3105118, 10867913, 21735826]

約数ペア:

[(1, 21735826), (2, 10867913), (7, 3105118), (14, 1552559), (17, 1278578), (34, 639289), (119, 182654), (238, 91327), (271, 80206), (337, 64498), (542, 40103), (674, 32249), (1897, 11458), (2359, 9214), (3794, 5729), (4607, 4718)]