21238474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 13926326

約数列:

[1, 2, 17, 34, 43, 73, 86, 146, 199, 398, 731, 1241, 1462, 2482, 3139, 3383, 6278, 6766, 8557, 14527, 17114, 29054, 53363, 106726, 145469, 246959, 290938, 493918, 624661, 1249322, 10619237, 21238474]

約数ペア:

[(1, 21238474), (2, 10619237), (17, 1249322), (34, 624661), (43, 493918), (73, 290938), (86, 246959), (146, 145469), (199, 106726), (398, 53363), (731, 29054), (1241, 17114), (1462, 14527), (2482, 8557), (3139, 6766), (3383, 6278)]