21270494

素因数分解:

$2^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{2503}}^1$

素因数の和:3119

約数の個数: 16

約数和(自身を含む): 36538368

約数和(自身を除く): 15267874

約数列:

[1, 2, 7, 14, 607, 1214, 2503, 4249, 5006, 8498, 17521, 35042, 1519321, 3038642, 10635247, 21270494]

約数ペア:

[(1, 21270494), (2, 10635247), (7, 3038642), (14, 1519321), (607, 35042), (1214, 17521), (2503, 8498), (4249, 5006)]