21066808

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22129}}^1$

素因数の和:22159

約数の個数: 32

約数和(自身を含む): 47800800

約数和(自身を除く): 26733992

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22129, 44258, 88516, 154903, 177032, 309806, 376193, 619612, 752386, 1239224, 1504772, 2633351, 3009544, 5266702, 10533404, 21066808]

約数ペア:

[(1, 21066808), (2, 10533404), (4, 5266702), (7, 3009544), (8, 2633351), (14, 1504772), (17, 1239224), (28, 752386), (34, 619612), (56, 376193), (68, 309806), (119, 177032), (136, 154903), (238, 88516), (476, 44258), (952, 22129)]