221819556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2640709}}^1$

素因数の和:2640723

約数の個数: 24

約数和(自身を含む): 591519040

約数和(自身を除く): 369699484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2640709, 5281418, 7922127, 10562836, 15844254, 18484963, 31688508, 36969926, 55454889, 73939852, 110909778, 221819556]

約数ペア:

[(1, 221819556), (2, 110909778), (3, 73939852), (4, 55454889), (6, 36969926), (7, 31688508), (12, 18484963), (14, 15844254), (21, 10562836), (28, 7922127), (42, 5281418), (84, 2640709)]