21151042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1326

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 14241854

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1231, 1562, 2462, 8591, 13541, 17182, 27082, 87401, 148951, 174802, 297902, 961411, 1922822, 10575521, 21151042]

約数ペア:

[(1, 21151042), (2, 10575521), (11, 1922822), (22, 961411), (71, 297902), (121, 174802), (142, 148951), (242, 87401), (781, 27082), (1231, 17182), (1562, 13541), (2462, 8591)]