21007242

素因数分解:

$2^1\times 3^3\times {\mathrm{389023}}^1$

素因数の和:389034

約数の個数: 16

約数和(自身を含む): 46682880

約数和(自身を除く): 25675638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389023, 778046, 1167069, 2334138, 3501207, 7002414, 10503621, 21007242]

約数ペア:

[(1, 21007242), (2, 10503621), (3, 7002414), (6, 3501207), (9, 2334138), (18, 1167069), (27, 778046), (54, 389023)]