21774955

素因数分解:

$5^1\times {\mathrm{151}}^2\times {\mathrm{191}}^1$

素因数の和:498

約数の個数: 12

約数和(自身を含む): 26441856

約数和(自身を除く): 4666901

約数列:

[1, 5, 151, 191, 755, 955, 22801, 28841, 114005, 144205, 4354991, 21774955]

約数ペア:

[(1, 21774955), (5, 4354991), (151, 144205), (191, 114005), (755, 28841), (955, 22801)]