20212514

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 15370462

約数列:

[1, 2, 7, 14, 103, 107, 131, 206, 214, 262, 721, 749, 917, 1442, 1498, 1834, 11021, 13493, 14017, 22042, 26986, 28034, 77147, 94451, 98119, 154294, 188902, 196238, 1443751, 2887502, 10106257, 20212514]

約数ペア:

[(1, 20212514), (2, 10106257), (7, 2887502), (14, 1443751), (103, 196238), (107, 188902), (131, 154294), (206, 98119), (214, 94451), (262, 77147), (721, 28034), (749, 26986), (917, 22042), (1442, 14017), (1498, 13493), (1834, 11021)]