21132912

素因数分解:

$2^4\times 3^1\times {\mathrm{440269}}^1$

素因数の和:440280

約数の個数: 20

約数和(自身を含む): 54593480

約数和(自身を除く): 33460568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440269, 880538, 1320807, 1761076, 2641614, 3522152, 5283228, 7044304, 10566456, 21132912]

約数ペア:

[(1, 21132912), (2, 10566456), (3, 7044304), (4, 5283228), (6, 3522152), (8, 2641614), (12, 1761076), (16, 1320807), (24, 880538), (48, 440269)]