21047012

素因数分解:

$2^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3119}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 42282240

約数和(自身を除く): 21235228

約数列:

[1, 2, 4, 7, 14, 28, 241, 482, 964, 1687, 3119, 3374, 6238, 6748, 12476, 21833, 43666, 87332, 751679, 1503358, 3006716, 5261753, 10523506, 21047012]

約数ペア:

[(1, 21047012), (2, 10523506), (4, 5261753), (7, 3006716), (14, 1503358), (28, 751679), (241, 87332), (482, 43666), (964, 21833), (1687, 12476), (3119, 6748), (3374, 6238)]