21883568

素因数分解:

$2^4\times 7^1\times {\mathrm{195389}}^1$

素因数の和:195404

約数の個数: 20

約数和(自身を含む): 48456720

約数和(自身を除く): 26573152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195389, 390778, 781556, 1367723, 1563112, 2735446, 3126224, 5470892, 10941784, 21883568]

約数ペア:

[(1, 21883568), (2, 10941784), (4, 5470892), (7, 3126224), (8, 2735446), (14, 1563112), (16, 1367723), (28, 781556), (56, 390778), (112, 195389)]