21805404

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7603}}^1$

素因数の和:7849

約数の個数: 24

約数和(自身を含む): 51098880

約数和(自身を除く): 29293476

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7603, 15206, 22809, 30412, 45618, 91236, 1817117, 3634234, 5451351, 7268468, 10902702, 21805404]

約数ペア:

[(1, 21805404), (2, 10902702), (3, 7268468), (4, 5451351), (6, 3634234), (12, 1817117), (239, 91236), (478, 45618), (717, 30412), (956, 22809), (1434, 15206), (2868, 7603)]