21899650

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{9319}}^1$

素因数の和:9378

約数の個数: 24

約数和(自身を含む): 41604480

約数和(自身を除く): 19704830

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 9319, 18638, 46595, 93190, 232975, 437993, 465950, 875986, 2189965, 4379930, 10949825, 21899650]

約数ペア:

[(1, 21899650), (2, 10949825), (5, 4379930), (10, 2189965), (25, 875986), (47, 465950), (50, 437993), (94, 232975), (235, 93190), (470, 46595), (1175, 18638), (2350, 9319)]