21838712

素因数分解:

$2^3\times 7^2\times {\mathrm{55711}}^1$

素因数の和:55731

約数の個数: 24

約数和(自身を含む): 47633760

約数和(自身を除く): 25795048

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55711, 111422, 222844, 389977, 445688, 779954, 1559908, 2729839, 3119816, 5459678, 10919356, 21838712]

約数ペア:

[(1, 21838712), (2, 10919356), (4, 5459678), (7, 3119816), (8, 2729839), (14, 1559908), (28, 779954), (49, 445688), (56, 389977), (98, 222844), (196, 111422), (392, 55711)]