21026900

素因数分解:

$2^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{743}}^1$

素因数の和:1040

約数の個数: 36

約数和(自身を含む): 45851232

約数和(自身を除く): 24824332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 283, 566, 743, 1132, 1415, 1486, 2830, 2972, 3715, 5660, 7075, 7430, 14150, 14860, 18575, 28300, 37150, 74300, 210269, 420538, 841076, 1051345, 2102690, 4205380, 5256725, 10513450, 21026900]

約数ペア:

[(1, 21026900), (2, 10513450), (4, 5256725), (5, 4205380), (10, 2102690), (20, 1051345), (25, 841076), (50, 420538), (100, 210269), (283, 74300), (566, 37150), (743, 28300), (1132, 18575), (1415, 14860), (1486, 14150), (2830, 7430), (2972, 7075), (3715, 5660)]