21063548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2003}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 40400640

約数和(自身を除く): 19337092

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2003, 2629, 4006, 5258, 8012, 10516, 22033, 44066, 88132, 478717, 957434, 1914868, 5265887, 10531774, 21063548]

約数ペア:

[(1, 21063548), (2, 10531774), (4, 5265887), (11, 1914868), (22, 957434), (44, 478717), (239, 88132), (478, 44066), (956, 22033), (2003, 10516), (2629, 8012), (4006, 5258)]