21544204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 43021440

約数和(自身を除く): 21477236

約数列:

[1, 2, 4, 11, 22, 43, 44, 59, 86, 118, 172, 193, 236, 386, 473, 649, 772, 946, 1298, 1892, 2123, 2537, 2596, 4246, 5074, 8299, 8492, 10148, 11387, 16598, 22774, 27907, 33196, 45548, 55814, 91289, 111628, 125257, 182578, 250514, 365156, 489641, 501028, 979282, 1958564, 5386051, 10772102, 21544204]

約数ペア:

[(1, 21544204), (2, 10772102), (4, 5386051), (11, 1958564), (22, 979282), (43, 501028), (44, 489641), (59, 365156), (86, 250514), (118, 182578), (172, 125257), (193, 111628), (236, 91289), (386, 55814), (473, 45548), (649, 33196), (772, 27907), (946, 22774), (1298, 16598), (1892, 11387), (2123, 10148), (2537, 8492), (2596, 8299), (4246, 5074)]