21405074

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 24

約数和(自身を含む): 35311140

約数和(自身を除く): 13906066

約数列:

[1, 2, 17, 29, 34, 58, 289, 493, 578, 986, 1277, 2554, 8381, 16762, 21709, 37033, 43418, 74066, 369053, 629561, 738106, 1259122, 10702537, 21405074]

約数ペア:

[(1, 21405074), (2, 10702537), (17, 1259122), (29, 738106), (34, 629561), (58, 369053), (289, 74066), (493, 43418), (578, 37033), (986, 21709), (1277, 16762), (2554, 8381)]