21001336

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90523}}^1$

素因数の和:90558

約数の個数: 16

約数和(自身を含む): 40735800

約数和(自身を除く): 19734464

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90523, 181046, 362092, 724184, 2625167, 5250334, 10500668, 21001336]

約数ペア:

[(1, 21001336), (2, 10500668), (4, 5250334), (8, 2625167), (29, 724184), (58, 362092), (116, 181046), (232, 90523)]