21323175

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{709}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 35392080

約数和(自身を除く): 14068905

約数列:

[1, 3, 5, 15, 25, 75, 401, 709, 1203, 2005, 2127, 3545, 6015, 10025, 10635, 17725, 30075, 53175, 284309, 852927, 1421545, 4264635, 7107725, 21323175]

約数ペア:

[(1, 21323175), (3, 7107725), (5, 4264635), (15, 1421545), (25, 852927), (75, 284309), (401, 53175), (709, 30075), (1203, 17725), (2005, 10635), (2127, 10025), (3545, 6015)]