21899875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{9221}}^1$

素因数の和:9255

約数の個数: 16

約数和(自身を含む): 28772640

約数和(自身を除く): 6872765

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 9221, 46105, 175199, 230525, 875995, 1152625, 4379975, 21899875]

約数ペア:

[(1, 21899875), (5, 4379975), (19, 1152625), (25, 875995), (95, 230525), (125, 175199), (475, 46105), (2375, 9221)]