21601059

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 29583360

約数和(自身を除く): 7982301

約数列:

[1, 3, 47, 141, 239, 641, 717, 1923, 11233, 30127, 33699, 90381, 153199, 459597, 7200353, 21601059]

約数ペア:

[(1, 21601059), (3, 7200353), (47, 459597), (141, 153199), (239, 90381), (641, 33699), (717, 30127), (1923, 11233)]