21106877

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 25433856

約数和(自身を除く): 4326979

約数列:

[1, 11, 17, 31, 121, 187, 331, 341, 527, 2057, 3641, 3751, 5627, 5797, 10261, 40051, 61897, 63767, 112871, 174437, 680867, 1241581, 1918807, 21106877]

約数ペア:

[(1, 21106877), (11, 1918807), (17, 1241581), (31, 680867), (121, 174437), (187, 112871), (331, 63767), (341, 61897), (527, 40051), (2057, 10261), (3641, 5797), (3751, 5627)]