21854344

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5431}}^1$

素因数の和:5940

約数の個数: 16

約数和(自身を含む): 41065920

約数和(自身を除く): 19211576

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5431, 10862, 21724, 43448, 2731793, 5463586, 10927172, 21854344]

約数ペア:

[(1, 21854344), (2, 10927172), (4, 5463586), (8, 2731793), (503, 43448), (1006, 21724), (2012, 10862), (4024, 5431)]