21028986

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{106207}}^1$

素因数の和:106226

約数の個数: 24

約数和(自身を含む): 49705344

約数和(自身を除く): 28676358

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 106207, 212414, 318621, 637242, 955863, 1168277, 1911726, 2336554, 3504831, 7009662, 10514493, 21028986]

約数ペア:

[(1, 21028986), (2, 10514493), (3, 7009662), (6, 3504831), (9, 2336554), (11, 1911726), (18, 1168277), (22, 955863), (33, 637242), (66, 318621), (99, 212414), (198, 106207)]