21140036

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4889}}^1$

素因数の和:4963

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 18292924

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4889, 9778, 19556, 112447, 224894, 229783, 449788, 459566, 919132, 5285009, 10570018, 21140036]

約数ペア:

[(1, 21140036), (2, 10570018), (4, 5285009), (23, 919132), (46, 459566), (47, 449788), (92, 229783), (94, 224894), (188, 112447), (1081, 19556), (2162, 9778), (4324, 4889)]