21669872020153

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{39990389}}^1$

素因数の和:39990984

約数の個数: 16

約数和(自身を含む): 24954003360000

約数和(自身を除く): 3284131339847

約数列:

[1, 7, 199, 389, 1393, 2723, 77411, 541877, 39990389, 279932723, 7958087411, 15556261321, 55706611877, 108893829247, 3095696002879, 21669872020153]

約数ペア:

[(1, 21669872020153), (7, 3095696002879), (199, 108893829247), (389, 55706611877), (1393, 15556261321), (2723, 7958087411), (77411, 279932723), (541877, 39990389)]