21842425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79427}}^1$

素因数の和:79448

約数の個数: 12

約数和(自身を含む): 29547216

約数和(自身を除く): 7704791

約数列:

[1, 5, 11, 25, 55, 275, 79427, 397135, 873697, 1985675, 4368485, 21842425]

約数ペア:

[(1, 21842425), (5, 4368485), (11, 1985675), (25, 873697), (55, 397135), (275, 79427)]