21920750

素因数分解:

$2^1\times 5^3\times {\mathrm{87683}}^1$

素因数の和:87700

約数の個数: 16

約数和(自身を含む): 41036112

約数和(自身を除く): 19115362

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 87683, 175366, 438415, 876830, 2192075, 4384150, 10960375, 21920750]

約数ペア:

[(1, 21920750), (2, 10960375), (5, 4384150), (10, 2192075), (25, 876830), (50, 438415), (125, 175366), (250, 87683)]