21044476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{276901}}^1$

素因数の和:276924

約数の個数: 12

約数和(自身を含む): 38766280

約数和(自身を除く): 17721804

約数列:

[1, 2, 4, 19, 38, 76, 276901, 553802, 1107604, 5261119, 10522238, 21044476]

約数ペア:

[(1, 21044476), (2, 10522238), (4, 5261119), (19, 1107604), (38, 553802), (76, 276901)]