21758418

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109891}}^1$

素因数の和:109910

約数の個数: 24

約数和(自身を含む): 51429456

約数和(自身を除く): 29671038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 109891, 219782, 329673, 659346, 989019, 1208801, 1978038, 2417602, 3626403, 7252806, 10879209, 21758418]

約数ペア:

[(1, 21758418), (2, 10879209), (3, 7252806), (6, 3626403), (9, 2417602), (11, 1978038), (18, 1208801), (22, 989019), (33, 659346), (66, 329673), (99, 219782), (198, 109891)]