21856194

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63907}}^1$

素因数の和:63934

約数の個数: 24

約数和(自身を含む): 49848240

約数和(自身を除く): 27992046

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63907, 127814, 191721, 383442, 575163, 1150326, 1214233, 2428466, 3642699, 7285398, 10928097, 21856194]

約数ペア:

[(1, 21856194), (2, 10928097), (3, 7285398), (6, 3642699), (9, 2428466), (18, 1214233), (19, 1150326), (38, 575163), (57, 383442), (114, 191721), (171, 127814), (342, 63907)]