21630474

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63247}}^1$

素因数の和:63274

約数の個数: 24

約数和(自身を含む): 49333440

約数和(自身を除く): 27702966

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63247, 126494, 189741, 379482, 569223, 1138446, 1201693, 2403386, 3605079, 7210158, 10815237, 21630474]

約数ペア:

[(1, 21630474), (2, 10815237), (3, 7210158), (6, 3605079), (9, 2403386), (18, 1201693), (19, 1138446), (38, 569223), (57, 379482), (114, 189741), (171, 126494), (342, 63247)]