21426515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10529}}^1$

素因数の和:10582

約数の個数: 16

約数和(自身を含む): 28810080

約数和(自身を除く): 7383565

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10529, 52645, 115819, 389573, 579095, 1947865, 4285303, 21426515]

約数ペア:

[(1, 21426515), (5, 4285303), (11, 1947865), (37, 579095), (55, 389573), (185, 115819), (407, 52645), (2035, 10529)]