21557152

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{701}}^1$

素因数の和:773

約数の個数: 36

約数和(自身を含む): 43916418

約数和(自身を除く): 22359266

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 701, 961, 992, 1402, 1922, 2804, 3844, 5608, 7688, 11216, 15376, 21731, 22432, 30752, 43462, 86924, 173848, 347696, 673661, 695392, 1347322, 2694644, 5389288, 10778576, 21557152]

約数ペア:

[(1, 21557152), (2, 10778576), (4, 5389288), (8, 2694644), (16, 1347322), (31, 695392), (32, 673661), (62, 347696), (124, 173848), (248, 86924), (496, 43462), (701, 30752), (961, 22432), (992, 21731), (1402, 15376), (1922, 11216), (2804, 7688), (3844, 5608)]