21886676

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7589}}^1$

素因数の和:7703

約数の個数: 24

約数和(自身を含む): 44204160

約数和(自身を除く): 22317484

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7589, 15178, 30356, 53123, 106246, 212492, 781667, 1563334, 3126668, 5471669, 10943338, 21886676]

約数ペア:

[(1, 21886676), (2, 10943338), (4, 5471669), (7, 3126668), (14, 1563334), (28, 781667), (103, 212492), (206, 106246), (412, 53123), (721, 30356), (1442, 15178), (2884, 7589)]