21701140

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2909}}^1$

素因数の和:3291

約数の個数: 24

約数和(自身を含む): 45710280

約数和(自身を除く): 24009140

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2909, 3730, 5818, 7460, 11636, 14545, 29090, 58180, 1085057, 2170114, 4340228, 5425285, 10850570, 21701140]

約数ペア:

[(1, 21701140), (2, 10850570), (4, 5425285), (5, 4340228), (10, 2170114), (20, 1085057), (373, 58180), (746, 29090), (1492, 14545), (1865, 11636), (2909, 7460), (3730, 5818)]