21940781

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2009299

約数列:

[1, 23, 41, 53, 439, 943, 1219, 2173, 10097, 17999, 23267, 49979, 413977, 535141, 953947, 21940781]

約数ペア:

[(1, 21940781), (23, 953947), (41, 535141), (53, 413977), (439, 49979), (943, 23267), (1219, 17999), (2173, 10097)]