21004550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{60013}}^1$

素因数の和:60032

約数の個数: 24

約数和(自身を含む): 44650416

約数和(自身を除く): 23645866

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 60013, 120026, 300065, 420091, 600130, 840182, 1500325, 2100455, 3000650, 4200910, 10502275, 21004550]

約数ペア:

[(1, 21004550), (2, 10502275), (5, 4200910), (7, 3000650), (10, 2100455), (14, 1500325), (25, 840182), (35, 600130), (50, 420091), (70, 300065), (175, 120026), (350, 60013)]