21269336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{919}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 22449064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 526, 919, 1052, 1838, 2104, 2893, 3676, 5786, 7352, 10109, 11572, 20218, 23144, 40436, 80872, 241697, 483394, 966788, 1933576, 2658667, 5317334, 10634668, 21269336]

約数ペア:

[(1, 21269336), (2, 10634668), (4, 5317334), (8, 2658667), (11, 1933576), (22, 966788), (44, 483394), (88, 241697), (263, 80872), (526, 40436), (919, 23144), (1052, 20218), (1838, 11572), (2104, 10109), (2893, 7352), (3676, 5786)]