21593425

素因数分解:

$5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 30829376

約数和(自身を除く): 9235951

約数列:

[1, 5, 7, 25, 35, 163, 175, 757, 815, 1141, 3785, 4075, 5299, 5705, 18925, 26495, 28525, 123391, 132475, 616955, 863737, 3084775, 4318685, 21593425]

約数ペア:

[(1, 21593425), (5, 4318685), (7, 3084775), (25, 863737), (35, 616955), (163, 132475), (175, 123391), (757, 28525), (815, 26495), (1141, 18925), (3785, 5705), (4075, 5299)]