21344500

素因数分解:

$2^2\times 5^3\times {\mathrm{42689}}^1$

素因数の和:42708

約数の個数: 24

約数和(自身を含む): 46617480

約数和(自身を除く): 25272980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42689, 85378, 170756, 213445, 426890, 853780, 1067225, 2134450, 4268900, 5336125, 10672250, 21344500]

約数ペア:

[(1, 21344500), (2, 10672250), (4, 5336125), (5, 4268900), (10, 2134450), (20, 1067225), (25, 853780), (50, 426890), (100, 213445), (125, 170756), (250, 85378), (500, 42689)]