21662806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3923}}^1$

素因数の和:4187

約数の個数: 16

約数和(自身を含む): 35598528

約数和(自身を除く): 13935722

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3923, 5522, 7846, 43153, 86306, 984673, 1969346, 10831403, 21662806]

約数ペア:

[(1, 21662806), (2, 10831403), (11, 1969346), (22, 984673), (251, 86306), (502, 43153), (2761, 7846), (3923, 5522)]