21181610

素因数分解:

$2^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3433}}^1$

素因数の和:4057

約数の個数: 16

約数和(自身を含む): 38199816

約数和(自身を除く): 17018206

約数列:

[1, 2, 5, 10, 617, 1234, 3085, 3433, 6170, 6866, 17165, 34330, 2118161, 4236322, 10590805, 21181610]

約数ペア:

[(1, 21181610), (2, 10590805), (5, 4236322), (10, 2118161), (617, 34330), (1234, 17165), (3085, 6866), (3433, 6170)]