21270250

素因数分解:

$2^1\times 5^3\times {\mathrm{85081}}^1$

素因数の和:85098

約数の個数: 16

約数和(自身を含む): 39818376

約数和(自身を除く): 18548126

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 85081, 170162, 425405, 850810, 2127025, 4254050, 10635125, 21270250]

約数ペア:

[(1, 21270250), (2, 10635125), (5, 4254050), (10, 2127025), (25, 850810), (50, 425405), (125, 170162), (250, 85081)]