21037744

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14449}}^1$

素因数の和:14477

約数の個数: 40

約数和(自身を含む): 50170400

約数和(自身を除く): 29132656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14449, 28898, 57796, 101143, 115592, 187837, 202286, 231184, 375674, 404572, 751348, 809144, 1314859, 1502696, 1618288, 2629718, 3005392, 5259436, 10518872, 21037744]

約数ペア:

[(1, 21037744), (2, 10518872), (4, 5259436), (7, 3005392), (8, 2629718), (13, 1618288), (14, 1502696), (16, 1314859), (26, 809144), (28, 751348), (52, 404572), (56, 375674), (91, 231184), (104, 202286), (112, 187837), (182, 115592), (208, 101143), (364, 57796), (728, 28898), (1456, 14449)]