21847436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13553}}^1$

素因数の和:13601

約数の個数: 24

約数和(自身を含む): 42505344

約数和(自身を除く): 20657908

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13553, 27106, 54212, 176189, 352378, 420143, 704756, 840286, 1680572, 5461859, 10923718, 21847436]

約数ペア:

[(1, 21847436), (2, 10923718), (4, 5461859), (13, 1680572), (26, 840286), (31, 704756), (52, 420143), (62, 352378), (124, 176189), (403, 54212), (806, 27106), (1612, 13553)]