21538812

素因数分解:

$2^2\times 3^1\times {\mathrm{251}}^1\times {\mathrm{7151}}^1$

素因数の和:7409

約数の個数: 24

約数和(自身を含む): 50464512

約数和(自身を除く): 28925700

約数列:

[1, 2, 3, 4, 6, 12, 251, 502, 753, 1004, 1506, 3012, 7151, 14302, 21453, 28604, 42906, 85812, 1794901, 3589802, 5384703, 7179604, 10769406, 21538812]

約数ペア:

[(1, 21538812), (2, 10769406), (3, 7179604), (4, 5384703), (6, 3589802), (12, 1794901), (251, 85812), (502, 42906), (753, 28604), (1004, 21453), (1506, 14302), (3012, 7151)]