21487252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16631}}^1$

素因数の和:16671

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 20425388

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16631, 33262, 66524, 282727, 315989, 565454, 631978, 1130908, 1263956, 5371813, 10743626, 21487252]

約数ペア:

[(1, 21487252), (2, 10743626), (4, 5371813), (17, 1263956), (19, 1130908), (34, 631978), (38, 565454), (68, 315989), (76, 282727), (323, 66524), (646, 33262), (1292, 16631)]