21540734

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{17123}}^1$

素因数の和:17179

約数の個数: 16

約数和(自身を含む): 35138448

約数和(自身を除く): 13597714

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 17123, 34246, 291091, 582182, 633551, 1267102, 10770367, 21540734]

約数ペア:

[(1, 21540734), (2, 10770367), (17, 1267102), (34, 633551), (37, 582182), (74, 291091), (629, 34246), (1258, 17123)]