21054236

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1933}}^1$

素因数の和:2333

約数の個数: 24

約数和(自身を含む): 42238560

約数和(自身を除く): 21184324

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 1933, 2723, 3866, 5446, 7732, 10892, 13531, 27062, 54124, 751937, 1503874, 3007748, 5263559, 10527118, 21054236]

約数ペア:

[(1, 21054236), (2, 10527118), (4, 5263559), (7, 3007748), (14, 1503874), (28, 751937), (389, 54124), (778, 27062), (1556, 13531), (1933, 10892), (2723, 7732), (3866, 5446)]