21498828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10601}}^1$

素因数の和:10634

約数の個数: 36

約数和(自身を含む): 54324648

約数和(自身を除く): 32825820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10601, 21202, 31803, 42404, 63606, 127212, 137813, 275626, 413439, 551252, 826878, 1653756, 1791569, 3583138, 5374707, 7166276, 10749414, 21498828]

約数ペア:

[(1, 21498828), (2, 10749414), (3, 7166276), (4, 5374707), (6, 3583138), (12, 1791569), (13, 1653756), (26, 826878), (39, 551252), (52, 413439), (78, 275626), (156, 137813), (169, 127212), (338, 63606), (507, 42404), (676, 31803), (1014, 21202), (2028, 10601)]