21812836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16883}}^1$

素因数の和:16923

約数の個数: 24

約数和(自身を含む): 42547680

約数和(自身を除く): 20734844

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16883, 33766, 67532, 287011, 320777, 574022, 641554, 1148044, 1283108, 5453209, 10906418, 21812836]

約数ペア:

[(1, 21812836), (2, 10906418), (4, 5453209), (17, 1283108), (19, 1148044), (34, 641554), (38, 574022), (68, 320777), (76, 287011), (323, 67532), (646, 33766), (1292, 16883)]