21718724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10355

約数の個数: 24

約数和(自身を含む): 41545728

約数和(自身を除く): 19827004

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10303, 20606, 41212, 175151, 319393, 350302, 638786, 700604, 1277572, 5429681, 10859362, 21718724]

約数ペア:

[(1, 21718724), (2, 10859362), (4, 5429681), (17, 1277572), (31, 700604), (34, 638786), (62, 350302), (68, 319393), (124, 175151), (527, 41212), (1054, 20606), (2108, 10303)]