21370289

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 1895503

約数列:

[1, 23, 47, 53, 373, 1081, 1219, 2491, 8579, 17531, 19769, 57293, 403213, 454687, 929143, 21370289]

約数ペア:

[(1, 21370289), (23, 929143), (47, 454687), (53, 403213), (373, 57293), (1081, 19769), (1219, 17531), (2491, 8579)]