21086863396

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{36739}}^1$

素因数の和:36904

約数の個数: 48

約数和(自身を含む): 39107819520

約数和(自身を除く): 18020956124

約数列:

[1, 2, 4, 43, 47, 71, 86, 94, 142, 172, 188, 284, 2021, 3053, 3337, 4042, 6106, 6674, 8084, 12212, 13348, 36739, 73478, 143491, 146956, 286982, 573964, 1579777, 1726733, 2608469, 3159554, 3453466, 5216938, 6319108, 6906932, 10433876, 74249519, 112164167, 122598043, 148499038, 224328334, 245196086, 296998076, 448656668, 490392172, 5271715849, 10543431698, 21086863396]

約数ペア:

[(1, 21086863396), (2, 10543431698), (4, 5271715849), (43, 490392172), (47, 448656668), (71, 296998076), (86, 245196086), (94, 224328334), (142, 148499038), (172, 122598043), (188, 112164167), (284, 74249519), (2021, 10433876), (3053, 6906932), (3337, 6319108), (4042, 5216938), (6106, 3453466), (6674, 3159554), (8084, 2608469), (12212, 1726733), (13348, 1579777), (36739, 573964), (73478, 286982), (143491, 146956)]