21272644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1019}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 18311516

約数列:

[1, 2, 4, 17, 34, 68, 307, 614, 1019, 1228, 2038, 4076, 5219, 10438, 17323, 20876, 34646, 69292, 312833, 625666, 1251332, 5318161, 10636322, 21272644]

約数ペア:

[(1, 21272644), (2, 10636322), (4, 5318161), (17, 1251332), (34, 625666), (68, 312833), (307, 69292), (614, 34646), (1019, 20876), (1228, 17323), (2038, 10438), (4076, 5219)]