21048748

素因数分解:

$2^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1117}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 42197792

約数和(自身を除く): 21149044

約数列:

[1, 2, 4, 7, 14, 28, 673, 1117, 1346, 2234, 2692, 4468, 4711, 7819, 9422, 15638, 18844, 31276, 751741, 1503482, 3006964, 5262187, 10524374, 21048748]

約数ペア:

[(1, 21048748), (2, 10524374), (4, 5262187), (7, 3006964), (14, 1503482), (28, 751741), (673, 31276), (1117, 18844), (1346, 15638), (2234, 9422), (2692, 7819), (4468, 4711)]