21122908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16349}}^1$

素因数の和:16389

約数の個数: 24

約数和(自身を含む): 41202000

約数和(自身を除く): 20079092

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16349, 32698, 65396, 277933, 310631, 555866, 621262, 1111732, 1242524, 5280727, 10561454, 21122908]

約数ペア:

[(1, 21122908), (2, 10561454), (4, 5280727), (17, 1242524), (19, 1111732), (34, 621262), (38, 555866), (68, 310631), (76, 277933), (323, 65396), (646, 32698), (1292, 16349)]