21830885

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1828

約数の個数: 16

約数和(自身を含む): 27276480

約数和(自身を除く): 5445595

約数列:

[1, 5, 43, 59, 215, 295, 1721, 2537, 8605, 12685, 74003, 101539, 370015, 507695, 4366177, 21830885]

約数ペア:

[(1, 21830885), (5, 4366177), (43, 507695), (59, 370015), (215, 101539), (295, 74003), (1721, 12685), (2537, 8605)]