21020584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202121}}^1$

素因数の和:202140

約数の個数: 16

約数和(自身を含む): 42445620

約数和(自身を除く): 21425036

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202121, 404242, 808484, 1616968, 2627573, 5255146, 10510292, 21020584]

約数ペア:

[(1, 21020584), (2, 10510292), (4, 5255146), (8, 2627573), (13, 1616968), (26, 808484), (52, 404242), (104, 202121)]