21169988

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2027}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 42474432

約数和(自身を除く): 21304444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 1492, 2027, 2611, 4054, 5222, 8108, 10444, 14189, 28378, 56756, 756071, 1512142, 3024284, 5292497, 10584994, 21169988]

約数ペア:

[(1, 21169988), (2, 10584994), (4, 5292497), (7, 3024284), (14, 1512142), (28, 756071), (373, 56756), (746, 28378), (1492, 14189), (2027, 10444), (2611, 8108), (4054, 5222)]