21052550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14519}}^1$

素因数の和:14560

約数の個数: 24

約数和(自身を含む): 40510800

約数和(自身を除く): 19458250

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14519, 29038, 72595, 145190, 362975, 421051, 725950, 842102, 2105255, 4210510, 10526275, 21052550]

約数ペア:

[(1, 21052550), (2, 10526275), (5, 4210510), (10, 2105255), (25, 842102), (29, 725950), (50, 421051), (58, 362975), (145, 145190), (290, 72595), (725, 29038), (1450, 14519)]