21340250

素因数分解:

$2^1\times 5^3\times {\mathrm{85361}}^1$

素因数の和:85378

約数の個数: 16

約数和(自身を含む): 39949416

約数和(自身を除く): 18609166

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 85361, 170722, 426805, 853610, 2134025, 4268050, 10670125, 21340250]

約数ペア:

[(1, 21340250), (2, 10670125), (5, 4268050), (10, 2134025), (25, 853610), (50, 426805), (125, 170722), (250, 85361)]