21096118

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 24

約数和(自身を含む): 34015680

約数和(自身を除く): 12919562

約数列:

[1, 2, 19, 38, 61, 122, 361, 479, 722, 958, 1159, 2318, 9101, 18202, 22021, 29219, 44042, 58438, 172919, 345838, 555161, 1110322, 10548059, 21096118]

約数ペア:

[(1, 21096118), (2, 10548059), (19, 1110322), (38, 555161), (61, 345838), (122, 172919), (361, 58438), (479, 44042), (722, 29219), (958, 22021), (1159, 18202), (2318, 9101)]