21440716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1486

約数の個数: 36

約数和(自身を含む): 42602560

約数和(自身を除く): 21161844

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 1429, 2858, 3751, 5716, 7502, 15004, 15719, 31438, 44299, 62876, 88598, 172909, 177196, 345818, 487289, 691636, 974578, 1949156, 5360179, 10720358, 21440716]

約数ペア:

[(1, 21440716), (2, 10720358), (4, 5360179), (11, 1949156), (22, 974578), (31, 691636), (44, 487289), (62, 345818), (121, 177196), (124, 172909), (242, 88598), (341, 62876), (484, 44299), (682, 31438), (1364, 15719), (1429, 15004), (2858, 7502), (3751, 5716)]