21175250

素因数分解:

$2^1\times 5^3\times {\mathrm{84701}}^1$

素因数の和:84718

約数の個数: 16

約数和(自身を含む): 39640536

約数和(自身を除く): 18465286

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 84701, 169402, 423505, 847010, 2117525, 4235050, 10587625, 21175250]

約数ペア:

[(1, 21175250), (2, 10587625), (5, 4235050), (10, 2117525), (25, 847010), (50, 423505), (125, 169402), (250, 84701)]