21970364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3739}}^1$

素因数の和:3869

約数の個数: 24

約数和(自身を含む): 41783280

約数和(自身を除く): 19812916

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3739, 5876, 7478, 14956, 48607, 97214, 194428, 422507, 845014, 1690028, 5492591, 10985182, 21970364]

約数ペア:

[(1, 21970364), (2, 10985182), (4, 5492591), (13, 1690028), (26, 845014), (52, 422507), (113, 194428), (226, 97214), (452, 48607), (1469, 14956), (2938, 7478), (3739, 5876)]