21461500

素因数分解:

$2^2\times 5^3\times {\mathrm{42923}}^1$

素因数の和:42942

約数の個数: 24

約数和(自身を含む): 46873008

約数和(自身を除く): 25411508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42923, 85846, 171692, 214615, 429230, 858460, 1073075, 2146150, 4292300, 5365375, 10730750, 21461500]

約数ペア:

[(1, 21461500), (2, 10730750), (4, 5365375), (5, 4292300), (10, 2146150), (20, 1073075), (25, 858460), (50, 429230), (100, 214615), (125, 171692), (250, 85846), (500, 42923)]