21413686

素因数分解:

$2^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{619}}^1$

素因数の和:988

約数の個数: 24

約数和(自身を含む): 37531080

約数和(自身を除く): 16117394

約数列:

[1, 2, 7, 14, 49, 98, 353, 619, 706, 1238, 2471, 4333, 4942, 8666, 17297, 30331, 34594, 60662, 218507, 437014, 1529549, 3059098, 10706843, 21413686]

約数ペア:

[(1, 21413686), (2, 10706843), (7, 3059098), (14, 1529549), (49, 437014), (98, 218507), (353, 60662), (619, 34594), (706, 30331), (1238, 17297), (2471, 8666), (4333, 4942)]