21992288

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40427}}^1$

素因数の和:40454

約数の個数: 24

約数和(自身を含む): 45845352

約数和(自身を除く): 23853064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40427, 80854, 161708, 323416, 646832, 687259, 1293664, 1374518, 2749036, 5498072, 10996144, 21992288]

約数ペア:

[(1, 21992288), (2, 10996144), (4, 5498072), (8, 2749036), (16, 1374518), (17, 1293664), (32, 687259), (34, 646832), (68, 323416), (136, 161708), (272, 80854), (544, 40427)]