21894554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 15056998

約数列:

[1, 2, 11, 22, 71, 107, 131, 142, 214, 262, 781, 1177, 1441, 1562, 2354, 2882, 7597, 9301, 14017, 15194, 18602, 28034, 83567, 102311, 154187, 167134, 204622, 308374, 995207, 1990414, 10947277, 21894554]

約数ペア:

[(1, 21894554), (2, 10947277), (11, 1990414), (22, 995207), (71, 308374), (107, 204622), (131, 167134), (142, 154187), (214, 102311), (262, 83567), (781, 28034), (1177, 18602), (1441, 15194), (1562, 14017), (2354, 9301), (2882, 7597)]