21893149

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 23879680

約数和(自身を除く): 1986531

約数列:

[1, 19, 43, 127, 211, 817, 2413, 4009, 5461, 9073, 26797, 103759, 172387, 509143, 1152271, 21893149]

約数ペア:

[(1, 21893149), (19, 1152271), (43, 509143), (127, 172387), (211, 103759), (817, 26797), (2413, 9073), (4009, 5461)]