21456244

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16607}}^1$

素因数の和:16647

約数の個数: 24

約数和(自身を含む): 41852160

約数和(自身を除く): 20395916

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16607, 33214, 66428, 282319, 315533, 564638, 631066, 1129276, 1262132, 5364061, 10728122, 21456244]

約数ペア:

[(1, 21456244), (2, 10728122), (4, 5364061), (17, 1262132), (19, 1129276), (34, 631066), (38, 564638), (68, 315533), (76, 282319), (323, 66428), (646, 33214), (1292, 16607)]