21838030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6761}}^1$

素因数の和:6804

約数の個数: 32

約数和(自身を含む): 43817760

約数和(自身を除く): 21979730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6761, 13522, 33805, 67610, 114937, 128459, 229874, 256918, 574685, 642295, 1149370, 1284590, 2183803, 4367606, 10919015, 21838030]

約数ペア:

[(1, 21838030), (2, 10919015), (5, 4367606), (10, 2183803), (17, 1284590), (19, 1149370), (34, 642295), (38, 574685), (85, 256918), (95, 229874), (170, 128459), (190, 114937), (323, 67610), (646, 33805), (1615, 13522), (3230, 6761)]