21410158

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19861}}^1$

素因数の和:19888

約数の個数: 24

約数和(自身を含む): 40756824

約数和(自身を除く): 19346666

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19861, 39722, 139027, 218471, 278054, 436942, 973189, 1529297, 1946378, 3058594, 10705079, 21410158]

約数ペア:

[(1, 21410158), (2, 10705079), (7, 3058594), (11, 1946378), (14, 1529297), (22, 973189), (49, 436942), (77, 278054), (98, 218471), (154, 139027), (539, 39722), (1078, 19861)]