21072608

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2953}}^1$

素因数の和:3186

約数の個数: 24

約数和(自身を含む): 41686848

約数和(自身を除く): 20614240

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2953, 3568, 5906, 7136, 11812, 23624, 47248, 94496, 658519, 1317038, 2634076, 5268152, 10536304, 21072608]

約数ペア:

[(1, 21072608), (2, 10536304), (4, 5268152), (8, 2634076), (16, 1317038), (32, 658519), (223, 94496), (446, 47248), (892, 23624), (1784, 11812), (2953, 7136), (3568, 5906)]